Animals Involved
Sylvatic cycle in nonhuman primates, possibly rodents in Africa; virus thought to be maintained in people in Asia, but sylvatic cycle may also exist
Known Distributions
Asia, Africa
Probable Means of Spreading
Mosquito bites (especially Aedes spp)
Clinical Manifestations in People
Febrile illness, may have rash and/or GI signs; arthralgia, especially in small joints, and myalgia prominent, may persist for months; myocarditis, neurologic signs, hemorrhages reported in a few cases