| Affiliation: | 1. U.S. Naval Medical Research Unit No. 6, Callao, Peru;2. Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA;3. Influenza Division, Centers for Disease Control and Prevention, Atlanta, GA, USA;4. General Directorate of Epidemiology, Ministry of Health, Lima, Peru;5. Tulane School of Public Health and Tropical Medicine, New Orleans, LA, USA;6. Division of Global Disease Detection International Emerging Infections Program, Centers for Disease Control and Prevention, Nairobi, Kenya |
