CHAPEL HILL, N.C. -- As the US Food and Drug Administration considers whether to authorize emergency use of Pfizer and BioNTech's COVID-19 vaccine, medical experts are paying close attention to ...

Moderna COVID-19 vaccines were associated with a threefold increased risk of chronic urticaria and nearly fourfold increased risk of other types of urticaria compared to expected rates.

PHILADELPHIA (WPVI) -- Local medical experts who spend their careers researching viruses and vaccines say we should expect a small number of people to have allergic reactions to the vaccine, but only ...

The National Institutes of Health is reportedly planning to conduct a clinical study to determine why people are having severe allergic reactions to Pfizer's COVID-19 vaccine. According to the ...

(Reuters) - There were no cases of severe allergic reactions to Pfizer Inc and partner BioNTech SE's COVID-19 vaccine candidate during clinical trials, a Pfizer executive said at a regulatory ...

The U.S Centers for Disease Control and Prevention is issuing new allergy guidelines for the COVID-19 vaccine. The recommendations were published on the CDC's website Saturday, CNN reported. If you ...

LONDON — People who have a history of "significant" allergic reactions should not receive the coronavirus vaccine developed by Pfizer and BioNTech, the U.K. drug regulator said Wednesday. The U.K's ...

To help answer common vaccine questions, we consulted Dr. Stanley Perlman, a professor at the University of Iowa’s Carver College of Medicine and a member of the U.S. Food and Drug Administration’s ...