U.S. Food and Drug Administration releases Influenza Virus Vaccine for the 2017-2018 Season FDA approved flu vaccines. Influenza Virus Vaccine for the 2017-2018 Season FDA approved flu vaccines. Influenza Virus Vaccine for the 2017-2018 Season Influenza Virus Vaccine for the 2017-2018 Season CDC Vaccine Price List Influenza Virus Vaccine for the 2017-2018 Season