Read MoreEngland’s National Health Service is urging people with a history of severe allergies that they should not get the Pfizer coronavirus vaccine following two health care workers who had allergic reactions after receiving the shot. Nikki Battiste has the details.England’s National Health Service is urging people with a history of severe allergies that they should not get the Pfizer coronavirus vaccine following two health care workers who had allergic reactions after receiving the shot. Nikki Battiste has the details.