Acute hepatitis A breakthrough in MSM in Paris area: implementation of targeted hepatitis A virus vaccine in a context of vaccine shortage. (20th February 2018) - Farfour, Eric; Lesprit, Philippe; Wai, Aurélie Chan Hew; Mazaux, Laurence; Fourn, Erwan; Majerholc, Catherine; Bonan, Brigitte; Vasse, Marc; Zucman, David