@CDCSTD: #Gay & #Bi Men: Have you been vaccinated for #hepA & #hepB? Find out why it’s important at https://t.co/dFtyom16SA https://t.co/IbNr3vusmb Posted bycvstd3 August 7, 2016 from http://twitter.com/CDCSTD via ValleySTD.com