No vaccine is being withdrawn from the market in the US. An article titled "What Vaccine Is Being Pulled in the U.S.?" is part of MedPage Today's weekly quiz for doctors to test knowledge.[1] The quiz asks the question "What vaccine is being recalled in the US?" but does not provide any facts about the specific vaccine or the reasons for the recall. The content serves to verify medical knowledge after completing medical training. No statistics, studies or other details about vaccine withdrawals are provided.