An outbreak of chikungunya fever in the province of Ravenna, Italy Angelini, R and Finarelli, A C and Angelini, P and Po, C and Petropulacos, K and Macini, P and Fiorentini, C and Fortuna, C and Venturi, G and Romi, R and Majori, G and Nicoletti, L and Rezza, G and Cassone, A, Weekly releases (1997–2007), 12, 3260 (2007), https://doi.org/10.2807/esw.12.36.03260-en