Comirnaty

Other names: Pfizer Covid-19 Vaccine, BNT162b2

Categories: Prescription Medication

Description:

The Pfizer COVID-19 vaccine, brand name Comirnaty, is an mRNA vaccine that helps the immune system recognize and fight the virus that causes COVID-19. It works by teaching the body to make a harmless piece of the virus (the spike protein), so the immune system can learn to attack it if the real virus shows up.

It was the first COVID-19 vaccine to receive full FDA approval and is approved for children and adults, with different doses based on age. Updated versions are available to protect against newer variants. Common side effects include soreness at the injection site, fatigue, and mild fever. Serious side effects are rare.

Treatment For:

Covid-19

AI generated Summary: Based on the single review provided, the Pfizer-BioNTech COVID-19 vaccine (Comirnaty) is considered highly effective in protecting against severe illness, particularly for high-risk individuals. However, the review suggests that vaccine protection typically wanes after about six months, and the decision to continue with updated doses should be based on personal risk factors, exposure risk, and current public health guidance.

Reviews

Average rating: 5/5

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All Physician Healthcare provider (non-physician) Healthcare Consumer (Patients & Caregivers)

Dr. Curbside

March 25, 2025

5.0

The COVID-19 vaccine remains a key tool in protecting against severe illness, especially for those at higher risk. Over time, the overall severity of COVID-19 has decreased—thanks to widespread vaccination, improved treatments, and the emergence of less harmful variants. However, since protection from the Pfizer vaccine typically wanes after about six months, continuing with updated doses becomes a personal risk-benefit decision based on individual health, exposure risk, and evolving public health guidance.

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