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1 Ministerio de Salud Publica, Instituto Nacional para Programas de Salud, Laboratorio Nacional de Salud “Samper Martines,” Avenida Eldorado, Carrera 50, Apartado Aereo 80334, Bogota, D.E., Colombia, and Department of Virus Diseases, Division of Communicable Disease and Immunology, Walter Reed Army Institute of Research, Washington, D. C. 20012
Nine strains of dengue-2 virus were recovered from 27 pools of female Aedes aegypti collected from two localities in Colombia at a time when dengue-like disease was prevalent, or had occurred during previous weeks.