Ongoing outbreak of hepatitis A in Italy: preliminary report as of 31 May 2013 Rizzo, C and Alfonsi, V and Bruni, R and Busani, L and Ciccaglione, A R and De Medici, D and Di Pasquale, S and Equestre, M and Escher, M and MontaƱo-Remacha, M C and Scavia, G and Taffon, S and Carraro, V and Franchini, S and Natter, B and Augschiller, M and Tosti, M E and the Central Task Force on Hepatitis A, Collective, Eurosurveillance, 18, 20518 (2013), https://doi.org/10.2807/1560-7917.ES2013.18.27.20518