The Latest: UK: 2 people report allergic...
LONDON — British regulators warned that people with a history of serious allergic reactions shouldn’t receive the new Pfizer-BioNTech vaccine while they investigate two adverse reactions on the first day of the country’s mass vaccination program. The U.K.’s Medical and Healthcare Products Regulatory Agency is looking into whether the reactions were linked to the vaccine. The two people affected were staff members with the National Health Service who had a history of allergies, and both are recovering. Authorities have...