Coronavirus LIVE Updates: UK Issues Anaphylaxis Warning on Pfizer Vaccine After Adverse Reactions; Canada Approves First Covid-19 Shot

Coronavirus LIVE Updates: Britain's medicine regulator said anyone with a history of anaphylaxis to a medicine or food should not get the Pfizer-BioNTech COVID-19 vaccine, giving fuller guidance on an earlier allergy warning about the shot. Coronavirus LIVE Updates: UK Issues Anaphylaxis Warning on Pfizer Vaccine After Adverse Reactions; Canada Approves First Covid-19 Shot