IE 11 is not supported. For an optimal experience visit our site on another browser.

Allergic reactions to Covid vaccine identified, U.K. regulator tells lawmakers

01:29

June Raine, head of the U.K.'s medical regulatory agency, reported two cases of allergic reactions to the Pfizer-BioNTech coronavirus vaccine as she testified to lawmakers. The U.K. chief medical officer said it was usual for monitoring systems to identify such cases.