1. Unidad de Virología, Departamento de Laboratorios de Salud Pública, Ministerio de Salud Pública, Montevideo 11600, Uruguay
2. Programa de ITS-VIH/SIDA, Ministerio de Salud Pública, Montevideo 11200, Uruguay
3. Facultad de Medicina, Universidad de la República, Montevideo 11800, Uruguay
4. Centre for Research in Infectious Diseases, National Institute of Respiratory Diseases, Mexico City 14080, Mexico
5. Pan American Health Organization, Washington, DC 20037, USA
6. Division of Geographic Medicine and Infectious Diseases, Tufts Medical Center, Boston, MA 02111, USA
7. Levy Center for Integrated Management of Antimicrobial Resistance, Tufts University School of Medicine, Boston, MA 02111, USA