Training Example: COMIRNATY (Pfizer Inc. & BioNTech) – Review the Data, Give Your Score & Compare to the Real AI Evaluation

Industry Context — Common BS Fingerprints in Medical Devices, Pharma & Biotech
Generic Claims: advancing human health, breakthrough innovation, life-changing therapies, transforming patient outcomes…
Red Flags: FDA cleared used interchangeably with FDA approved, clinical claims without published study citations, breakthrough claims for incremental improvements, regulatory status implied but not specified…
Semantic Drift Patterns: homepage claims breakthrough but pipeline page shows preclinical only, FDA approved claims but only for one indication, marketed broadly, claims clinical evidence but links to poster presentations not published studies, claims global reach but regulatory approvals are single-market…
Proof Expectations: specific regulatory clearance numbers (FDA 510(k), CE, TGA), published clinical trial results with ClinicalTrials.gov registration, ISO 13485 and GMP certification details, peer-reviewed publication citations…

COMIRNATY (Pfizer Inc. & BioNTech)

(https://comirnaty.com) 📸 Data Snapshot: May 29, 2026

Analyze the raw signals below. How would a machine score this business’s credibility?

Here are the exact signals captured from up to six pages of the site — the same raw inputs the evaluation engine analyzed. They are grouped by signal type so you can weigh each the way the machine does.

🏗️ Semantic Structure — heading hierarchy & page identity (Info Density · Commodity Fingerprint)
HOMEPAGE COMIRNATY® (COVID-19 Vaccine, mRNA) | Safety Info (https://comirnaty.com)
Title

COMIRNATY® (COVID-19 Vaccine, mRNA) | Safety Info

Meta

Learn more about the 2025-2026 Formula of COMIRNATY, a COVID-19 vaccine by Pfizer and BioNTech.

H1 About COMIRNATY, a BioNTech and Pfizer COVID-19 vaccine for eligible individuals 5 years of age and older, andhow it works
H3 Check eligibility and schedule a COVID-19 vaccine in minutes
H3 About the Updated Formula of COMIRNATY
H3 COVID-19 Vaccine Costs
H3 Learn More About COVID‑19
H4 Pfizer’s Patient Assistance Programs
H4 Vaccines for Children Program
HEADING_BODY You are now leaving COMIRNATY.com (https://comirnaty.com/global/popups/external-link-popup-vaxassist/)
Title

You are now leaving COMIRNATY.com

Meta

By clicking Schedule on VaxAssist, you will be redirected to VaxAssist by Pfizer, where you can answer eligibility questions and schedule a vaccine option. For …

H2 You are now leaving COMIRNATY.com
HEADING_BODY COVID-19 Info | COMIRNATY® (COVID-19 Vaccine, mRNA) | Safety Info (https://comirnaty.com/covid-19-info/)
Title

COVID-19 Info | COMIRNATY® (COVID-19 Vaccine, mRNA) | Safety Info

Meta

Find information on COVID-19, medical conditions, and risk factors that put people at high risk for COVID-19 and severe illness.

H1 Why COVID-19 is still a concern
H3 Symptoms of COVID-19 Illness
H3 Risk Factors for Severe COVID-19
H3 Factors Affecting Health Equity
H3 Long COVID
H3 Multisystem Inflammatory Syndrome in Children and Adults
H3 Talk to your healthcare provider about steps you can take to help protect yourself against COVID-19.
BODY COMIRNATY® (Vacuna contra la COVID-19, ARNm) | Información de seguridad (https://comirnaty.com/es/)
Title

COMIRNATY® (Vacuna contra la COVID-19, ARNm) | Información de seguridad

Meta

Obtenga más información sobre la fórmula 2025–2026 de COMIRNATY, una vacuna contra la COVID-19 desarrollada por Pfizer y BioNTech.

H1 Por qué la COVID-19 sigue siendo una preocupación
H3 Compruebe su elegibilidad y programe una cita para recibir la vacuna contra la COVID-19 en cuestión de minutos.
H3 ¿Por qué las personas elegibles deben mantenerse al día con la vacuna contra la COVID-19?
H3 Impacto de la COVID‑19 en nuestras comunidades
H3 Costos de la vacuna contra la COVID-19
H3 Factores de riesgo para la COVID-19 grave
H3 Síntomas de la enfermedad por COVID-19
H3 Efectos secundarios y seguridad
H3 Los riesgos graves de COMIRNATY pueden incluir:
H3 Los efectos secundarios frecuentes de COMIRNATY pueden incluir:
H3 Otros efectos secundarios notificados:
H3 COVID prolongada
H3 Síndrome inflamatorio multisistémico en niños y adultos
H3 Preguntas frecuentes (FAQ)
H3 Más información acerca de COMIRNATY
H3 Acerca del desarrollo de la tecnología del ARNm
H3 Comprensión de la información de seguridad de COMIRNATY
H3 Más información acerca de COMIRNATY
H3 Acerca del desarrollo de la tecnología del ARNm
H3 Comprensión de la información de seguridad de COMIRNATY
H3 ¿Desea obtener más información sobre la COVID-19?Obtenga una versión para compartir a continuación.
H3 Compruebe su elegibilidad y programe una cita para recibir la vacuna contra la COVID-19 en cuestión de minutos.
H4 Programas de asistencia al paciente de Pfizer
H4 Programa de vacunas para niños
📝 The Narrative — clean text per page (Info Density · Semantic Coherence)
HOMEPAGE (https://comirnaty.com) COMIRNATY® (COVID-19 Vaccine, mRNA) | Safety Info
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[H1] About COMIRNATY, a BioNTech and Pfizer COVID-19 vaccine for eligible individuals 5 years of age and older, andhow it works

[IMG: A mother hugs her daughter from behind]

COMIRNATY® is a vaccine to protect against coronavirus disease 2019 (COVID-19). COMIRNATY is for people who are:
• 65 years of age and older, or
• 5 years through 64 years of age at high risk for severe COVID-19.

Learn more about underlying conditions and risk factors that put individuals at high risk for severe outcomes from COVID‑19 here.cdc.gov.

[H3] Check eligibility and schedule a COVID-19 vaccine in minutes
Book Now

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Book a vaccine

About the Updated Formula of COMIRNATY
How COMIRNATY Works
COVID-19 Vaccine Costs

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[H3] About the Updated Formula of COMIRNATY

[IMG: Actor portrayal of doctor discussing with her patient]
Actor portrayals.

The virus that causes COVID-19 continues to evolve, and protection from previous COVID-19 vaccination or infection can decrease over time. This can put eligible individuals who are not up to date with COVID-19 vaccination at high risk for severe outcomes from COVID-19.
An updated formula of COMIRNATY is designed to help protect against more recently circulating strains that cause COVID-19.
Updated formulas of COMIRNATY are made using the same process as previous formulas, with the difference only in the mRNA , which encodes the viral spike protein.

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How COMIRNATY Works
COMIRNATY helps train your immune system.
After vaccination, it works to teach the body to recognize and help fight the virus that causes COVID-19 without you ever having been exposed to it.
COMIRNATY does not contain SARS-CoV-2, the virus that causes COVID-19. COMIRNATY cannot give you COVID-19.

COMIRNATY is composed of mRNA wrapped in a protective coating for delivery. After vaccination, the mRNA enters the cell.

[IMG: Illustration of how COMIRNATY works]

mRNA provides the cell instructions to build copies of the spike protein found on the surface of the virus that causes COVID-19.

[IMG: Illustration of how COMIRNATY works]

The spike protein is presented on the surface of the cell and trains the immune system. The resulting immune response, which includes antibodies, is what recognizes and helps fight COVID-19 if you are exposed to the virus in the future.

[IMG: Illustration of how COMIRNATY works]

These illustrations are intended for educational purposes only.

mRNA technology, used by mRNA COVID-19 vaccines including COMIRNATY, has the potential to streamline vaccine development. This allows for a timely response to FDA-recommended updates to the vaccine for emerging strains of the virus that causes COVID-19.

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[H3] COVID-19 Vaccine Costs

[IMG: a father and daughter watching a smartphone with headphones on]

Most people with insurance should continue to pay $0 out of pocket for COMIRNATY, a COVID-19 vaccine by BioNTech & Pfizer.
If you don’t have health insurance or cannot afford out-of-pocket costs, please read the information below.

[H4] Pfizer’s Patient Assistance Programs
Eligible* individuals 65 years of age and older and individuals 5 to 64 with an underlying medical condition without insurance can receive COMIRNATY at no cost:
Through select federally qualified health centers, hospitals, and free clinics participating in Pfizer’s Institutional Patient Assistance Program (IPAP)
Please check PfizerRxPathways.com for the latest information.
*Eligible individuals cannot have prescription or medical insurance; age and other eligibility restrictions apply.
IMPORTANT: Always call the vaccination location to ensure they have COMIRNATY in stock prior to visiting.

[H4] Vaccines for Children Program
If you do not have insurance or are enrolled in Medicaid, the Vaccines for Children (VFC) Program may be able to help. The VFC is a government-funded program that provides vaccines at no cost to children 18 years of age and younger who might not otherwise be vaccinated because they are not able to pay. The vaccines are given for free, but there might be other costs, such as payment for the visit or other services.
Learn more about the VFC Program and eligibility here.

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[IMG: Woman surfing her laptop smiling]

[IMG: Woman surfing her laptop smiling]

[H3] Learn More About COVID‑19
See COVID-19 info

We Want to HearFrom You

Is this information helpful to you?
Yes
No

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SUB-PAGE · THIN (https://comirnaty.com/global/popups/external-link-popup-vaxassist/) You are now leaving COMIRNATY.com
[IMG: COMIRNATY® (COVID-19 Vaccine, mRNA) Logo]

[H2] You are now leaving COMIRNATY.com

By clicking Schedule on VaxAssist, you will be redirected to VaxAssist by Pfizer, where you can answer eligibility questions and schedule a vaccine option. For additional information on COMIRNATY, please see full Important Safety Information.

Schedule on VaxAssist
Stay on COMIRNATY.com
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SUB-PAGE (https://comirnaty.com/covid-19-info/) COVID-19 Info | COMIRNATY® (COVID-19 Vaccine, mRNA) | Safety Info
[H1] Why COVID-19 is still a concern
COVID-19 infection continues to cause severe illness in some people and can lead to serious complications.

[IMG: Woman gazing out the window]

Risk Factors for Severe COVID-19
Factors Affecting Health Equity
Long COVID
MIS-C and MIS-A

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[H3] Symptoms of COVID-19 Illness

[IMG: Mom feeling the forehead of her unwell teen with doctor on their tablet]

[IMG: Mom feeling the forehead of her unwell teen with doctor on their tablet]

People report a wide range of COVID-19 symptoms, spanning from mild to severe
Symptoms of COVID-19 may appear 2 to 14 days after exposure to the virus and can include:
Fever or chills
Cough
Shortness of breath or difficulty breathing
Fatigue
Muscle or body aches
Headache
New loss of taste or smell
Sore throat
Congestion or runny nose

This list does not include all the possible symptoms of COVID-19. Symptoms may change with new COVID-19 variants and can vary by person. To learn more about possible COVID-19 symptoms, please visit CDC.gov.

[H3] Risk Factors for Severe COVID-19

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The information in this section is not product specific and does not include statements of vaccine efficacy or effectiveness.

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COVID-19 continues to pose health risks to individuals of all ages and backgrounds. Some people with certain medical condition(s) or risk factors are at an increased risk of getting very sick from COVID-19.
According to the CDC, this means that a person with 1 or more of these conditions who gets very sick from COVID-19 (has severe illness from COVID-19) is more likely to:
Be hospitalized
Need intensive care
Require a ventilator to help them breathe
Die

1. Panagiotakopoulos L. Use of 2025-2026 COVID-19 vaccines: work group considerations. National Center for Immunization and Respiratory Diseases. Presented April 15, 2025. Accessed December 2, 2025. https://www.cdc.gov/acip/downloads/slides-2025-04-15-16/05-Panagiotakopoulos-COVID-508.pdf
74% of American adults have at least 1 risk factor for getting very sick from COVID-19.1

According to the CDC, a person’s risk of severe illness from COVID-19 increases as the number of risk factors they have increases. Medical condition(s) or risk factors include:
Cancer
Cerebrovascular disease
Chronic kidney disease including people receiving dialysis
Chronic liver disease including cirrhosis, nonalcoholic fatty liver disease, alcohol‑related liver disease, and autoimmune hepatitis
Chronic lung diseases including asthma (moderate to severe), bronchiectasis (thickening of the lungs’ airways), bronchopulmonary dysplasia (chronic lung disease affecting newborns), chronic obstructive pulmonary disease (COPD; including emphysema and chronic bronchitis), damaged or scarred lung tissue (interstitial lung disease including idiopathic pulmonary fibrosis), pulmonary embolism (blood clot in the lungs), pulmonary hypertension (high blood pressure in the lungs)
Cystic fibrosis
Dementia or Parkinson's disease
Diabetes (type 1, type 2, or gestational)
Disabilities including Down syndrome
Heart conditions including heart failure, coronary artery disease, and cardiomyopathies
Hemoglobin blood disorders
HIV (human immunodeficiency virus)
Immunocompromised condition or weakened immune system
Mental health conditions including depression and schizophrenia spectrum disorders
Overweight and obesity
Physical inactivity
Pregnancy or recent pregnancy
Smoking, current or former
Solid-organ or blood stem-cell transplantation
Substance use disorders
Tuberculosis
Use of corticosteroids or other immunosuppressive medications
This isn’t a complete list of risk factors and is not in any order of severity.
Visit CDC.gov to learn more about conditions that increase your likelihood of becoming very sick with COVID-19.

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[H3] Factors Affecting Health Equity

Some people have a greater chance of getting very sick or even dying from COVID-19 because of where they live or work, or because they can’t easily access healthcare. This includes many people from different racial and ethnic backgrounds and those with disabilities.
See more from the CDC regarding:
Vaccine equity
COVID-19 information and resources for people with disabilities

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[H3] Long COVID

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The information in this section is not product specific and does not include statements of vaccine efficacy or effectiveness.

Some people who have been infected with the virus that causes COVID-19 can experience long-term effects from their infection, known as Long COVID.
Long COVID is a serious illness that can result in chronic conditions requiring long-term care. Symptoms and conditions can emerge, persist, resolve, and reemerge over weeks and months.
Long COVID may last weeks, months, or years after a COVID-19 infection and can include a wide range of symptoms*:

General symptoms
Fever
Tiredness
Fatigue
Symptoms that get worse after physical or mental effort

Respiratory and heart symptoms
Difficulty breathing
Shortness of breath
Cough
Chest pain
Fast-beating or pounding heart

Neurological symptoms
Difficulty thinking or concentrating
Headache
Sleep problems
Lightheadedness
Pins-and-needles feeling

Digestive symptoms
Diarrhea
Stomach pain

*This list does not include all the possible symptoms of Long COVID. To learn more about possible Long COVID symptoms, please visit CDC.gov.

[IMG: Actor portrayal of a doctor talking to his patient]
Actor portrayals.
According to the CDC, although Long COVID occurs more often in people who had severe COVID-19 illness, anyone who has been infected or reinfected with the virus that causes COVID-19 can experience it, including children.
Each time a person is infected with the virus that causes COVID-19, they have a risk of developing Long COVID.

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[H3] Multisystem Inflammatory Syndrome in Children and Adults

[IMG: A mom comforting her child]

The information in this section is not product specific and does not include statements of vaccine efficacy or effectiveness.
Multisystem inflammatory syndrome (MIS) is a rare but serious condition associated with COVID-19 in which different internal and external body parts become inflamed, including the following:
Heart
Lungs
Kidneys
Brain
Skin
Eyes
Gastrointestinal tract
MIS can affect children (MIS-C) and adults (MIS-A).†

†MIS-C case definition includes people who are younger than 21 years old, and MIS-A case definition includes people who are 21 years and older.
Visit CDC.gov to learn more about MIS-C and MIS-A signs and symptoms and when to seek emergency care.

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[IMG: Woman surfing her laptop smiling]

[H3] Talk to your healthcare provider about steps you can take to help protect yourself against COVID-19.

We Want to HearFrom You

Is this information helpful to you?
Yes
No

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SUB-PAGE (https://comirnaty.com/es/) COMIRNATY® (Vacuna contra la COVID-19, ARNm) | Información de seguridad
[H1] Por qué la COVID-19 sigue siendo una preocupación
La infección por COVID-19 sigue causando enfermedades graves en algunas personas y puede provocar complicaciones graves.
Las personas de ciertos orígenes étnicos y/o grupos raciales, o con ciertos factores de riesgo, tienen más probabilidades de enfermar gravemente por COVID‑19. Lea más para conocer de qué modo la COVID‑19 podría afectarlo a usted o a sus seres queridos.

[IMG: Mujeres sentadas en la mesa]

[H3] Compruebe su elegibilidad y programe una cita para recibir la vacuna contra la COVID-19 en cuestión de minutos.
Programar una cita ahora

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Book a vaccine, es book a vaccine

[H3] ¿Por qué las personas elegibles deben mantenerse al día con la vacuna contra la COVID-19?

Las personas mayores de 65 años o aquellas con una afección subyacente que las pone en alto riesgo de sufrir resultados graves por la COVID-19 deben preguntar sobre la vacuna actualizada contra la COVID-19.El virus que causa la COVID-19 sigue evolucionando, y la protección que proporcionan las vacunas o la infección previa contra la COVID-19 puede disminuir con el tiempo. Esto puede poner a las personas elegibles que no están al día con la vacunación contra la COVID-19 en alto riesgo de padecer una enfermedad grave, incluida la hospitalización por COVID-19.
Si tiene factores de riesgo para una enfermedad grave por COVID-19, una vacuna contra la COVID-19 2025-2026 puede ayudar a protegerlo contra este y la enfermedad grave, incluso la hospitalización.

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[H3] Impacto de la COVID‑19 en nuestras comunidades

[IMG: Una mujer con un teléfono móvil en la oreja]

Algunas personas tienen una mayor probabilidad de enfermar gravemente o incluso de morir por COVID-19 debido a dificultades derivadas del lugar donde viven, su trabajo o su acceso a la atención médica.
Según los CDC, los grupos raciales y étnicos minoritarios tienden a enfrentarse a más retos de este tipo en comparación con las personas blancas no hispanas.
Además, las personas de grupos étnicos minoritarios tienen mayor probabilidad de ser hospitalizadas, de ingresar a la unidad de cuidados intensivos (UCI) o de morir a edad más temprana por COVID-19.
Las personas de 50 o más años de edad, o que tienen ciertas enfermedades subyacentes, también tienen un mayor riesgo de enfermar gravemente por COVID-19.
Conozca más sobre los factores de riesgo para la COVID-19 en CDC.gov

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[H3] Costos de la vacuna contra la COVID-19

[IMG: Un padre y su hija viendo un teléfono inteligente con audífonos puestos.]

La mayoría de las personas con seguro médico deberían seguir sin pagar nada de su bolsillo por COMIRNATY, la vacuna contra la COVID-19 de BioNTech y Pfizer.
Si no tiene seguro médico o no puede pagar el costo de su bolsillo, lea la siguiente información.

[H4] Programas de asistencia al paciente de Pfizer
Las personas elegibles* mayores de 65 años y las personas de entre 5 y 64 años con una afección médica subyacente que no tengan seguro médico pueden recibir COMIRNATY sin costo alguno:
A través de centros de salud, hospitales y clínicas gratuitas seleccionados y acreditados a nivel federal que participan como participantes en el Programa Institucional de Asistencia al Paciente (IPAP) de Pfizer.
Consulte PfizerRxPathways.com para obtener la información más reciente.
*Las personas elegibles no pueden tener seguro médico ni de recetas; se aplican restricciones de edad y otras restricciones de elegibilidad.
IMPORTANTE: Siempre llame al centro de vacunación para asegurarse de que tienen COMIRNATY en existencia antes de acudir.

[H4] Programa de vacunas para niños
Si no tiene seguro o está inscrito en Medicaid, el Programa de vacunas para niños (VFC) puede ayudarle. El VFC es un programa financiado por el gobierno que proporciona vacunas sin costo alguno a los menores de 18 años que, de otro modo, no podrían vacunarse por no poder pagarlas. Las vacunas se administran de forma gratuita, pero puede haber otros costos, como el pago de la visita u otros servicios.
Obtenga más información sobre el Programa VFC y la elegibilidad aquí.

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[H3] Factores de riesgo para la COVID-19 grave

La información de esta sección no es específica para un producto, y no incluye declaraciones de eficacia o efectividad de las vacunas.

La COVID-19 sigue planteando riesgos de salud para personas de todas las edades y contextos. Algunas personas con determinadas afecciones o factores de riesgo tienen un mayor riesgo de enfermar gravemente por COVID-19.Según los CDC, enfermarse gravemente por COVID-19 cuando se tiene una o más de estas afecciones supone una mayor probabilidad de llevar a:
Hospitalización
Cuidados intensivos
Ventilación mecánica para ayudar a respirar
Muerte

Panagiotakapoulos L. Uso de las vacunas contra la COVID-19 2025-2026: consideraciones del grupo de trabajo. Centro Nacional de Inmunización y Enfermedades Respiratorias. Presentado el 15 de abril de 2025. Consultado el 2 de diciembre de 2025. https://www.cdc.gov/acip/downloads/slides-2025-04-15-16/05-Panagiotakopoulos-COVID-508.pdf

[IMG: Ícono de 74 %]

de los adultos estadounidenses tiene al menos un factor de riesgo para enfermar gravemente por COVID-19.1.

Según los CDC, el riesgo de contraer enfermedad grave por COVID-19 de una persona aumenta a medida que se incrementa el número de factores de riesgo que presenta. Entre las afecciones o factores de riesgo se incluyen:
Cáncer
Enfermedad cerebrovascular
Enfermedad renal crónica, incluidas las personas que reciben diálisis
Enfermedad hepática crónica, incluidos cirrosis, hígado graso no alcohólico, enfermedad hepática relacionada con el alcohol y hepatitis autoinmune
Enfermedades pulmonares crónicas, incluidos asma (moderada a grave), bronquiectasia (engrosamiento de las vías aéreas de los pulmones), displasia broncopulmonar (enfermedad pulmonar crónica que afecta a recién nacidos), enfermedad pulmonar obstructiva crónica (EPOC; incluidos enfisema y bronquitis crónica), tejido pulmonar dañado o cicatrizado (enfermedad pulmonar intersticial, incluida fibrosis pulmonar idiopática), embolia pulmonar (coágulo sanguíneo en los pulmones), hipertensión pulmonar (presión alta en los pulmones)
Fibrosis quística
Demencia o enfermedad de Parkinson
Diabetes (tipo 1, tipo 2)
Discapacidades, incluido síndrome de Down
Afecciones cardíacas, incluidas insuficiencia cardíaca, enfermedad coronaria y cardiomiopatías
Trastornos sanguíneos de la hemoglobina
VIH (virus de la inmunodeficiencia humana)
Afección con compromiso inmunológico o debilidad del sistema inmunitario
Afecciones de salud mental, incluidos depresión y trastornos del espectro esquizofrénico
Sobrepeso y obesidad
Inactividad física
Embarazo o embarazo reciente
Tabaquismo, actual o previo
Trasplante de órgano sólido o de células madre hematopoyéticas
Trastornos por consumo de sustancias
Tuberculosis
Uso de corticosteroides u otros medicamentos inmunosupresores
Esta no es una lista completa de factores de riesgo, ni está en ningún orden de gravedad.
Visite CDC.gov para conocer más sobre las afecciones que aumentan su probabilidad de enfermar gravemente por COVID-19.

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[H3] Síntomas de la enfermedad por COVID-19

[IMG: Una madre tocando la frente de su hijo adolescente enfermo mientras el médico aparece en una tableta.]

[IMG: Una madre tocando la frente de su hijo adolescente enfermo mientras el médico aparece en una tableta.]

Las personas informan una amplia gama de síntomas de COVID-19, que van de leves a graves.
Los síntomas de COVID-19 pueden aparecer de 2 a 14 días después de la exposición al virus, y pueden incluir:
Fiebre o escalofríos
Tos
Falta de aire o dificultad para respirar
Fatiga
Dolores musculares o en el cuerpo
Dolor de cabeza
Pérdida reciente del gusto o el olfato
Dolor de garganta
Congestión o secreción nasal

Esta lista no incluye todos los síntomas posibles de COVID-19. Los síntomas pueden cambiar con las nuevas variantes de COVID-19, y pueden variar según la persona. Para conocer más sobre posibles síntomas de COVID-19, visite CDC.gov.

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[H3] Efectos secundarios y seguridad

[IMG: Una mujer abrazando a un hombre desde atrás]

Los CDC, la FDA y otras agencias federales vigilan rigurosamente la seguridad de las vacunas contra la COVID-19, incluida COMIRNATY, y comparten la información con el público a medida que esté disponible
Conozca más de los CDC

[H3] Los riesgos graves de COMIRNATY pueden incluir:

Reacciones alérgicas graves
Miocarditis (inflamación del músculo cardíaco)
Pericarditis (inflamación del recubrimiento externo del corazón)
Algunas personas pueden desmayarse después de la vacunación. Las personas con sistemas inmunitarios debilitados pueden tener una respuesta inmunológica reducida.

[H3] Los efectos secundarios frecuentes de COMIRNATY pueden incluir:

Dolor, hinchazón o enrojecimiento en el lugar de administración de la vacuna
Cansancio (fatiga)
Dolor de cabeza
Escalofríos
Dolor muscular y/o articular
Fiebre

[H3] Otros efectos secundarios notificados:

Náuseas
Sentirse mal
Ganglios linfáticos inflamados (linfadenopatía)
Disminución del apetito
Diarrea
Vómitos
Mareos
Convulsiones febriles (convulsiones durante una fiebre) en niños de 5 a 11 años de edad.

Es posible que estos no sean todos los efectos secundarios posibles de COMIRNATY. Pregunte a su proveedor de atención médica sobre cualquier efecto secundario que le preocupe.

Es posible que estos no sean todos los efectos secundarios posibles de COMIRNATY. Pregunte a su proveedor de atención médica sobre cualquier efecto secundario que le preocupe.

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[H3] COVID prolongada

La información de esta sección no es específica para un producto, y no incluye declaraciones de eficacia o efectividad de las vacunas.

Algunas personas que se han infectado con el virus que provoca COVID-19 pueden sufrir efectos a largo plazo por la infección, lo que se conoce como COVID prolongada.
La COVID prolongada es una enfermedad grave, que puede provocar afecciones crónicas que requieren atención de largo plazo. Los síntomas y afecciones pueden emerger, persistir, resolverse y volver a emerger a lo largo de semanas y meses.
La COVID prolongada puede durar semanas, meses o años después de una infección por COVID-19, y puede incluir una amplia gama de síntomas†:

Síntomas generales
Fiebre
Cansancio
Fatiga
Síntomas que empeoran después del esfuerzo físico o mental

Síntomas respiratorios y cardíacos
Dificultad para respirar
Falta de aire
Tos
Dolor de pecho
Palpitaciones

Síntomas neurológicos
Dificultad para pensar o concentrarse
Dolor de cabeza
Problemas para dormir
Aturdimiento
Sensación de hormigueo

Síntomas digestivos
Diarrea
Dolor de estómago

†Esta lista no incluye todos los síntomas posibles de COVID prolongada. Para conocer más sobre posibles síntomas de la COVID prolongada, visite CDC.gov.

[IMG: Representación de un actor interpretando a un médico que habla con su paciente]
Representación actoral
Según los CDC, si bien la COVID prolongada se produce con más frecuencia en personas que tuvieron enfermedad grave por COVID-19, cualquiera que se haya infectado o reinfectado con el virus que provoca COVID-19 puede sufrirlo, incluso los niños.
Cada vez que una persona se infecta con el virus que provoca la COVID-19, corre el riesgo de desarrollar COVID prolongada.

anchor-id
long-covid

[H3] Síndrome inflamatorio multisistémico en niños y adultos

[IMG: Una mujer sosteniendo a su hijo enfermo, mayor de cinco años.]

La información de esta sección no es específica para un producto, y no incluye declaraciones de eficacia o efectividad de las vacunas.
El síndrome inflamatorio multisistémico (MIS, por sus siglas en inglés) es una afección médica rara pero grave asociada a la COVID-19, en la cual se inflaman distintas partes internas y externas del cuerpo, entre las que se incluyen:
Corazón
Pulmones
Riñones
Cerebro
Piel
Ojos
Tracto gastrointestinal
El MIS puede afectar a niños (MIS-C) y adultos (MIS-A).‡

‡ La definición de un caso de MIS-C incluye a personas menores de 21 años, y la definición de un caso de MIS-A a las personas de 21 o más años de edad.
Visite CDC.gov para conocer más sobre los signos y síntomas de MIS-C y MIS-A, y cuándo buscar atención de emergencia.

anchor-id
MIS-in-children-and-adults

Queremos sabersu opinión

¿Le resulta útil esta información?
Sí
No

[H3] Preguntas frecuentes (FAQ)

[IMG: Dos mujeres caminando y hablando]

[IMG: Dos mujeres caminando y hablando]

anchor-id
frequently-asked-questions

[H3] Más información acerca de COMIRNATY
Ver todas las preguntas frecuentes

[H3] Acerca del desarrollo de la tecnología del ARNm
Ver todas las preguntas frecuentes

[H3] Comprensión de la información de seguridad de COMIRNATY
Ver todas las preguntas frecuentes

[H3] Más información acerca de COMIRNATY
Contraer todo
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¿Qué es COMIRNATY?
COMIRNATY está aprobada para su uso en personas de 65 años o más, o de 5 a 64 años con al menos una afección subyacente que las ponga en alto riesgo de sufrir consecuencias graves por COVID-19.
Los CDC definen las consecuencias graves de la COVID-19 como hospitalización, ingreso en la unidad de cuidados intensivos (UCI), intubación o ventilación mecánica, o la muerte.
Hable con su médico o farmacéutico y haga clic aquí para encontrar y programar una vacuna contra la COVID-19, si es elegible.

¿Le resulta útil esta información?
Si
No

¿Quiénes NO deben recibir COMIRNATY?
No debe recibir COMIRNATY si ha tenido una reacción alérgica grave después de una dosis anterior de la vacuna COMIRNATY contra la COVID-19 o a cualquiera de los componentes de esta vacuna.
¿Le resulta útil esta información?
Si
No

¿Por qué es importante mantenerse al día con la vacunación contra la COVID-19?
Según los CDC, la protección contra la COVID-19 que se obtiene después de haber sido vacunado o haber pasado la infección disminuye con el transcurso del tiempo y a medida que evoluciona el virus que causa la COVID-19. Esto puede dejarlo con un mayor riesgo de contraer la COVID-19. Es por eso que recibir una dosis de la vacuna contra la COVID-19 2025-2026 es una de las mejores formas que tienen las personas elegibles para protegerse. Para obtener más información acerca de cómo se administra nuestra vacuna, consulte nuestra Guía de dosificación.
¿Le resulta útil esta información?
S
15000 chars
🛡️ Trust Signals — reviews, proof links, trust-theatre flag (Trust & Proof)
1Review mentions (all pages)
0External proof links (all pages)
PageReviewsProof links
/ (home) 0 0
/global/popups/external-link-popup-vaxassist/ 0 0
/covid-19-info/ 1 0
/es/ 0 0
🔗 Identity & Technical Layer — schema JSON-LD: identity chains, entity gaps (Identity & Authority)
Homepage schema
{
    "@context": "https://schema.org",
    "@graph": [
        {
            "@type": "Organization",
            "@id": "https://www.pfizer.com/#organization",
            "name": "Pfizer Inc.",
            "url": "https://www.pfizer.com/",
            "logo": "https://www.pfizer.com/profiles/pfecpfizercomus_profile/themes/pfecpfizercomus/public/assets/images/logo-blue.svg",
            "sameAs": [
                "https://www.linkedin.com/company/pfizer",
                "https://twitter.com/pfizer",
                "https://www.facebook.com/Pfizer",
                "https://www.instagram.com/pfizerinc",
                "https://www.youtube.com/@pfizer",
                "https://www.tiktok.com/@pfizer"
            ],
            "contactPoint": [
                {
                    "@type": "ContactPoint",
                    "contactType": "Medical Information",
                    "telephone": "+1-800-438-1985",
                    "areaServed": "US",
                    "availableLanguage": "en"
                }
            ]
        },
        {
            "@type": "WebSite",
            "@id": "https://www.comirnaty.com/#website",
            "url": "https://www.comirnaty.com/",
            "name": "COMIRNATY® (COVID-19 Vaccine, mRNA) | Safety Info",
            "publisher": {
                "@id": "https://www.pfizer.com/#organization"
            },
            "inLanguage": "en"
        },
        {
            "@type": "Drug",
            "@id": "https://www.comirnaty.com/#drug",
            "name": "COMIRNATY® (COVID-19 Vaccine, mRNA)",
            "description": "Learn more about the 2025-2026 Formula of COMIRNATY, a COVID-19 vaccine by Pfizer and BioNTech.",
            "manufacturer": {
                "@id": "https://www.pfizer.com/#organization"
            },
            "offers": {
                "@type": "Offer",
                "price": "0",
                "priceCurrency": "USD",
                "url": "https://www.pfizerrxpathways.com/"
            }
        },
        {
            "@type": "MedicalCondition",
            "@id": "https://www.comirnaty.com/#covid-19",
            "name": "COVID-19",
            "possibleTreatment": {
                "@id": "https://www.comirnaty.com/#covid-19-vaccination"
            }
        },
        {
            "@type": "MedicalTherapy",
            "@id": "https://www.comirnaty.com/#covid-19-vaccination",
            "name": "COVID-19 vaccination"
        },
        {
            "@type": "BreadcrumbList",
            "@id": "https://www.comirnaty.com/#breadcrumb",
            "itemListElement": [
                {
                    "@type": "ListItem",
                    "position": 1,
                    "name": "Home",
                    "item": "https://www.comirnaty.com/"
                }
            ]
        },
        {
            "@type": "MedicalWebPage",
            "@id": "https://www.comirnaty.com/#webpage",
            "url": "https://www.comirnaty.com/",
            "name": "COMIRNATY® (COVID-19 Vaccine, mRNA) | Safety Info",
            "headline": "COMIRNATY® (COVID-19 Vaccine, mRNA) | Safety Info",
            "description": "Learn more about the 2025-2026 Formula of COMIRNATY, a COVID-19 vaccine by Pfizer and BioNTech.",
            "isPartOf": {
                "@id": "https://www.comirnaty.com/#website"
            },
            "publisher": {
                "@id": "https://www.pfizer.com/#organization"
            },
            "audience": {
                "@type": "Audience",
                "name": "Patient"
            },
            "about": [
                {
                    "@id": "https://www.comirnaty.com/#drug"
                },
                {
                    "@id": "https://www.comirnaty.com/#covid-19"
                }
            ],
            "inLanguage": "en"
        }
    ]
}
/global/popups/external-link-popup-vaxassist/ — no schema detected (entity gap)
/covid-19-info/
{
    "@context": "https://schema.org",
    "@graph": [
        {
            "@type": "WebSite",
            "@id": "https://www.comirnaty.com/#website",
            "url": "https://www.comirnaty.com/",
            "name": "COMIRNATY® (COVID-19 Vaccine, mRNA) | Safety Info",
            "publisher": {
                "@id": "https://www.pfizer.com/#organization"
            },
            "inLanguage": "en"
        },
        {
            "@type": "BreadcrumbList",
            "@id": "https://www.comirnaty.com/covid-19-info#breadcrumb",
            "itemListElement": [
                {
                    "@type": "ListItem",
                    "position": 1,
                    "name": "Home",
                    "item": "https://www.comirnaty.com/"
                },
                {
                    "@type": "ListItem",
                    "position": 2,
                    "name": "COVID-19 Info",
                    "item": "https://www.comirnaty.com/covid-19-info"
                }
            ]
        },
        {
            "@type": "MedicalWebPage",
            "@id": "https://www.comirnaty.com/covid-19-info#webpage",
            "url": "https://www.comirnaty.com/covid-19-info",
            "name": "COVID-19 Info | COMIRNATY® (COVID-19 Vaccine, mRNA) | Safety Info",
            "headline": "COVID-19 Info | COMIRNATY® (COVID-19 Vaccine, mRNA) | Safety Info",
            "description": "Find information on COVID-19, medical conditions, and risk factors that put people at high risk for COVID-19 and severe illness.",
            "isPartOf": {
                "@id": "https://www.comirnaty.com/#website"
            },
            "publisher": {
                "@id": "https://www.pfizer.com/#organization"
            },
            "audience": {
                "@type": "Audience",
                "name": "Patient"
            },
            "about": [
                {
                    "@id": "https://www.comirnaty.com/#covid-19"
                },
                {
                    "@id": "https://www.comirnaty.com/#covid-19-vaccination"
                },
                {
                    "@id": "https://www.comirnaty.com/#drug"
                }
            ],
            "inLanguage": "en"
        },
        {
            "@type": "MedicalCondition",
            "@id": "https://www.comirnaty.com/#long-covid",
            "name": "Long COVID"
        },
        {
            "@type": "MedicalCondition",
            "@id": "https://www.comirnaty.com/#mis-c-and-mis-a",
            "name": "MIS-C and MIS-A"
        }
    ]
}
/es/ — no schema detected (entity gap)

Your Diagnosis

Before revealing the machine’s verdict, predict the BS score for each signal. Higher = more BS (more fluff, less verifiable substance). Drag each slider, then submit to compare your judgment against the engine.

Information Density 0 / 30
Read the Narrative & headings: do hard facts (prices, dates, numbers) outweigh fluff power-words?
Semantic Coherence 0 / 20
Compare the homepage promise against the sub-page reality. Do they hold the same line?
Trust & Proof 0 / 20
Weigh review mentions against actual external proof links. Claims without verification = theatre.
Commodity Fingerprint 0 / 15
Check headings & narrative against the industry clichés in the setup above.
Identity & Authority 0 / 15
Inspect the schema: is there real Organization/Person identity with sameAs links, or gaps?
Your predicted BS score 0 / 100
💡 Stuck? Reveal the heuristic lens — how the deterministic page-auditor reads each signal (no AI, pure pattern rules)

These are the structural rules a local, deterministic auditor applies — the same lens you can use to judge each signal. They describe what to look for, not this company’s result.

Information Density

Classify each sentence as substantive or hollow. Grounding markers — numbers, currencies, dates, technical units, named entities — outweigh marketing adjectives. When fluff sits right next to hard evidence, the fluff is forgiven.

Semantic Alignment

Pull the main entities out of the H1, then check whether they actually recur through the body. A page that announces one thing and then talks about another drifts. Headings with no real sentences underneath read as pseudo-substance.

Trust & Proof

Count trust words (review, testimonial, rating, verified) against real outbound proof links (Google, Trustpilot, Clutch, G2, Yelp). Lots of trust language with zero verification links is trust theatre. Unlinked logo galleries count against it.

Commodity Fingerprint

Look at how much sentence length varies. Natural writing varies its rhythm; templated or mass-produced copy is statistically uniform. Very low variation reads as commodity content — unless unique named entities break the pattern.

Identity & Authority

Inspect the JSON-LD. Is there an Organization or Person schema, and does it carry sameAs links to real external profiles (LinkedIn, socials)? Missing schema or no identity declaration signals an anonymous entity.

Want to apply this lens yourself? The free BS Indicator Chrome extension runs these heuristic checks live on any page. Bear in mind it is a single-page, deterministic tool — it relies only on pattern rules for the page in front of it and does not perform the cross-page semantic correlation this audit uses, so its readout is a starting lens, not the full verdict.

B
BS Level
Medical Devices, Pharma & Biotech
40.7 Avg BS

Based on 784 businesses audited.

BS Detector

Medical Devices, Pharma & Biotech BS: COMIRNATY (Pfizer Inc. & BioNTech) (comirnaty.com)

https://comirnaty.com 📍 Industry: Medical Devices, Pharma & Biotech
12 BS / 100

This is a benchmark for low-BS medical communication. It prioritizes regulatory compliance, technical mechanism, and specific risk data over marketing conversion, resulting in a score that reflects high substance and authoritative proof.

Info Density Power-words vs. Substance ratio.
4
13% BS
Semantic Coherence Homepage promise vs. Sub-page reality.
0
0% BS
Trust & Proof Verifiable evidence vs. Trust Theatre.
5
25% BS
Commodity Fingerprint Detection of industry clichés/templates.
3
20% BS
Identity & Authority Expert verifiability & Schema depth.
0
0% BS

To further reduce the score toward zero, provide direct links to the peer-reviewed clinical trial publications for the 2025-2026 formula instead of referencing the CDC summary. Incorporate a more granular ‘Last Updated’ timestamp on the specific medical risk lists to ensure real-time accuracy. Replace actor portrayals with verified clinical photography if permissible by the FDA to remove the ‘portrayal’ flag. Add a direct link to the ClinicalTrials.gov registration for the updated formula study.

The website perfectly aligns with the Pharma & Biotech industry category. It adheres to strict regulatory communication standards, focusing on safety information, indications, and mechanism of action for a specific mRNA vaccine.

“The score of 12 is primarily driven by necessary industry jargon and legal repetition (Commodity Fingerprint) and a small penalty in Trust and Proof for not linking directly to primary peer-reviewed journals for the 2025-2026 specific formula in the body text. The site's high information density and lack of semantic drift keep the score in the 'Minimal BS' range.”

Verified Analysis Date: May 29, 2026 © 1EuroSEO Independent Evaluator — Non-Sponsored Result
Brand AI Reputation