Institution: | 1. GHTM/Instituto de Higiene e Medicina Tropical, Universidade Nova de Lisboa, Rua da Junqueira, 100, 1349-008 Lisboa, Portugal;2. CVZ/Department of Medical Virology, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa;3. TDR/WHO – The Special Programme for Research and Training in Tropical Diseases, World Health Organization. 20, Avenue Appia, CH-1211 Geneva 27, Switzerland |