FACT SHEET FOR RECIPIENTS AND CAREGIVERS ABOUT THE PFIZERBIONTECH COVID-19 VACCINE AND THE PFIZER-BIONTECH COVID-19 VACCINE, BIVALENT (ORIGINAL AND OMICRON BA.4/BA.5) TO PREVENT CORONAVIRUS DISEASE 2019 (COVID-19) FOR USE IN INDIVIDUALS 6 MONTHS THROUGH 4

"WHAT ARE THE BENEFITS OF THESE VACCINES?

The Pfizer-BioNTech COVID-19 Vaccine has been shown to prevent COVID-19. FDA has authorized the Pfizer-BioNTech COVID-19 Vaccine, Bivalent to provide better protection against COVID-19 caused by the Omicron variant of SARS-CoV-2.

The duration of protection against COVID-19 is currently unknown.

WHAT ARE THE RISKS OF THESE VACCINES?

... Side effects that have been reported with these vaccines include:

• Severe allergic reactions ... 
• Myocarditis (inflammation of the heart muscle)
• Pericarditis (inflammation of the lining outside the heart) ...

These may not be all the possible side effects of these vaccines. Serious and unexpected side effects may occur. The possible side effects of these vaccines are still being studied."