Wellcome Trust (WT108418AIA); Fundac?a?o de Amparo a? Pesquisa do Estado de Sa?o Paulo, Brazil (17/13981?0); Centers for Disease Control and Prevention. Fort Collins, CO, USA.; United States Department of Agriculture. Agricultural Research Service. Fort Pierce, FL, USA.; D. I. Ivanovsky Institute of Virology. Moscow, Russia.; Friedrich-Loeffler-Institut. Greifswald-Insel Riems. Germany.; Colorado State Universi...