Dengue virus (DENV) – hospital admission depending on the general condition and always at a platelet drop (drop in the number of platelets) to < 100,000 /μl; in severe courses, the outcome depends largely on the quality of supportive treatment [see below dengue fever].
Yellow fever virus (GFV) – symptomatic therapy; in severe courses may require intensive medical care to support vital functions (circulation, respiration); in severe courses, the outcome depends largely on the quality of supportive treatment [see below yellow fever].
Crimean-Congo virus (CCHF) – strict isolation already suspected disease; symptomatic, if necessary intensive medical therapy; if necessary convalescent sera with neutralizing antibodies.
Lassa virus (LV) – strict isolation already in case of suspected disease; control and segregate persons with close contact; postexposure prophylaxis indicated if necessary; intensive medical, symptomatic therapy; in severe courses, the outcome depends largely on the quality of supportive treatment.
Rift valley virus (RVF, English Rift valley fever) – intensive medical, symptomatic therapy.
West Nile fever virus (WNV) – intensive medical, symptomatic therapy; in severe courses, the outcome depends largely on the quality of supportive care.
