Crimean-Congo HF is transmitted by the bite or crushing of infected ticks, or by contact with live or dead infected mammals. Though treatment is not definitive, more severe cases are often successfully treated with IV ribavirin as described below. Chikungunya fever is an arboviral infection transmitted by the Aedes aegypti mosquito. Arthralgias remain a problem for weeks to several months after the acute phase. Febrile convulsions may occur in young children.
Treatment is supportive for fever and pain.
Incubation is 7-10 days. Dengue fever and HF are transmitted by mosquitos, and there is increasing incidence and prevalence of cocirculation of multiple serotypes. Treatment is supportive and convalescence tends to be lengthy. See full discussion. Incubation is 3-5 days.