%0 Journal Article %A Gonçalves, G %A Santos, M. A. %A Afonso, S %A Jorge, R %A Pinheiro, C D %A A M Correia %T Portuguese study provides serological evidence to support vaccination of sex workers %D 2001 %J Weekly releases (1997–2007) %V 5 %N 51 %P 2083 %R doi:https://doi.org/10.2807/esw.05.51.02083-en %K vaccine preventable diseases %U https://www.eurosurveillance.org/content/10.2807/esw.05.51.02083-en