[1] Ctr Dis Control & Prevent, Ft Collins, CO 80521 USA
[2] ARS, USDA, Ft Pierce, FL USA
[3] DI Ivanovskii Inst Virol, Moscow, Russia
[4] Friedrich Loeffler Inst, Greifswald, Germany
[5] Colorado State Univ, Ft Collins, CO 80523 USA
[6] Publ Hlth Agcy Canada, Winnipeg, MB, Canada
[7] Univ Estadual Campinas, UNICAMP, Sao Paulo, SP, Brazil
[8] Humboldt Univ, Charite Univ Med Berlin, Berlin, Germany
[9] Berlin Inst Hlth, Berlin, Germany
[10] Minist Hlth, Evandro Chagas Inst, Ananindeua, Para, Brazil
[11] Univ Glasgow, Ctr Virus Res, MRC, Glasgow, Lanark, Scotland