USA – Severe reactions to COVID-19 vaccines very rare

A severe allergic reaction to the COVID-19 vaccine is « exceedingly rare, » reported by 21 of 1.9 million people in the United States who have received the vaccine, the Centers for Disease Control and Prevention announced Wednesday.

Of those 21 who experienced anaphylaxis after being vaccinated, 17 had a history of similar reactions to other vaccines or medications, the CDC said. All 21 recovered, though some required hospital care.

The reaction is « exceedingly rare » and should not discourage most people from getting vaccinated against COVID-19, Dr. Nancy Messonnier, director of CDC’s National Center for Immunization and Respiratory Diseases, said on a conference call with reporters…