By The Associated Press undefined Vaccines can sometimes cause allergic reactions, but they are usually rare and short-lived. British regulators are looking into reports of allergic reactions in two people who received the new Pfizer COVID-19 vaccine Tuesday, the first day of a vaccination program. In the meantime, they're telling people to skip the vaccine if they've had a history of serious allergic reactions. A look at allergic reactions to vaccines: HOW OFTEN DO THEY HAPPEN? Allergic reactions can occur with numerous vaccines and experts say they are not unexpected. In the Pfizer-BioNTech study of 42,000 people, the rate was […]
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