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April 16, 1997

Probable Locally Acquired Mosquito-Transmitted Plasmodium vivax Infection—Georgia, 1996

JAMA. 1997;277(15):1191-1193. doi:10.1001/jama.1997.03540390021010

ENDEMIC, mosquitoborne transmission of malaria was interrupted in the United States during the 1940s. Since then, 57 small localized outbreaks of probable mosquito-transmitted malaria in the United States have been reported to CDC.1,2 This report summarizes the investigation of a case of Plasmodium vivax infection in a resident of Georgia who had never lived in or visited a malarious area. The results of this investigation suggest that this case probably was acquired through the bite of a locally infected Anopheles sp. mosquito, although a probable source of infection for mosquitoes was not confirmed.

Case Investigation  On June 22, 1996, a 53-year-old man residing in Tift County, Georgia, was admitted to a hospital because of a 12-day history of fever, chills, fatigue, and myalgias. Physical examination on admission revealed a temperature of 105.6 F (40.9 C) and mild tachypnea. Initial laboratory examinations demonstrated only moderate anemia (hemoglobin: