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. Most people with RVF have no symptoms or a mild febrile illness with liver abnormalities. Others, however, develop a classic HF with weakness, fatigue, back pain, dizziness, and rapid weight loss. Though definitive research on treatment is lacking, treatment of severe cases may include the use of IV ribavirin as described below.