Human West Nile virus infection in eastern Croatia, August-September, 2012 / Tatjana Vilibić-Čavlek, Iva Pem Novosel, Ira Gjenero-Margan, Nenad Pandak, Ljiljana Perić, Ljubo Barbić, Karlo Kožul, Eddy Listeš, Pavle Jeličić, Vladimir Stevanović, Giovanni Savini