About 15–20% of hospitalized people with<unk>  will die from the illness. The overall case fatality rate is estimated to be 1%, but during epidemics, mortality can climb as high as 50%. The mortality rate is greater than 80% when it occurs in pregnant women during their third trimester; fetal death also occurs in nearly all those cases. Abortion decreases the risk of death to the mother. Some survivors experience lasting effects of the disease, and can include partial or complete deafness. Because of treatment with ribavirin, fatality rates have declined.
Lassa fever
Ebola
Chikungunya
Malaria
Zika fever
Typhoid fever
Trench fever
Blackwater fever