Affiliation: | Centers for Disease Control and Prevention, Atlanta, Georgia, USA (M. de Almeida, Y. Zheng, F.S. Nascimento, H. Bishop, V.A. Cama, D. Batra, Y. Unoarumhi, E.W. Liu);Eagle Global Scientific, San Antonio, Texas, USA (Y. Zheng);University of Arizona College of Medicine, Tucson, Arizona, USA (A.K. Afghan, V.Y. Shi, F.M. Donovan);University of California, San Francisco, California, USA (P.E. LeBoit) |