Vaccines are safe and effective and the best way to protect you and those around you from serious illnesses. Severe allergic reactions are rare:
Pfizer first dose: 11.1 cases per one million doses reported severe allergic (anaphylactic) reactions (CDC).
Moderna first dose: 1 of more than 224,000 reported severe allergic (anaphylactic) reactions (CDC).
CDC plans to release more information as it becomes available.