The U.S. Food and Drug Administration (FDA) has granted full approval of the Comirnaty (Pfizer) COVID-19 vaccine in all people 12 years of age and older, and an Emergency Use Authorization (EUA) for people 6 months to 11 years old for the Pfizer vaccine. You should not get the vaccine (shot) if you have a history of allergic reaction to any ingredients of the vaccine, to polysorbate, or to polyethylene glycol (PEG).