Vaccine Information Fact Sheet for Recipients and Caregivers about Comirnaty (COVID-19 Vaccine, mRNA) and Pfizer-Biontech COVID-19 Vaccine to Prevent Coronavirus Disease 2019 (COVID-19)

“Side effects that have been reported with the Pfizer-BioNTech COVID-19 Vaccine include:

• severe allergic reactions
• non-severe allergic reactions such as rash, itching, hives, or swelling of the face
• myocarditis (inflammation of the heart muscle)
• pericarditis (inflammation of the lining outside the heart)
• injection site pain
• tiredness
• headache
• muscle pain
• chills
• joint pain
• fever
• injection site swelling
• injection site redness
• nausea
• feeling unwell
• swollen lymph nodes (lymphadenopathy)
• diarrhea
• vomiting
• arm pain
• fainting in association with injection of the vaccine

These may not be all the possible side effects of the vaccine. Serious and unexpected side effects may occur. The possible side effects of the vaccine are still being studied in clinical trials.”