Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. Britain Warns People with History of Allergic Reactions Not to Get Coronavirus Vaccine VOA News British regulators warned Wednesday that people with a history of allergic reactions not to get inoculated with a coronavirus vaccine developed jointly by U.S. drug maker Pfizer and Germany's BioNTech. The Medicines and Healthcare Products Regulatory Agency issued the warning after two people reported adverse reactions to the vaccine on Tuesday, the first day of the vaccine's rollout in Britain. National Health Service medical director Stephen Powis said two employees reported severe allergic reactions linked with receiving the vaccination. He said both are recovering. .