Social history of viruses of encephalitis, of which 105 were fatal, were recorded. A new paramyxovirus was discovered in a victim's brain; it was named Nipah virus, after the village where he had lived. The infection was caused by a virus from fruit bats, after their colony had been disrupted by deforestation. The bats had moved to trees nearer the pig farm and the pigs caught the virus from their droppings. Several highly lethal viral pathogens are members of the "Filoviridae". Filoviruses are filament-like viruses that cause viral haemorrhagic fever, and include the Ebola and Marburg viruses. The Marburg virus attracted widespread press attention
Spondweni virus infections and infections with a similar clinical symptom array which includes Zika fever, dengue fever, Lassa fever, rickettsial infection, leptospirosis, and typhoid fever. Spondweni virus Spondweni virus (SPOV) is an arbovirus, or arthropod-borne virus, which is a member of the family "Flaviviridae" and the genus "Flavivirus". It is part of the Spondweni serogroup which includes two species, Zika virus (ZIKV) and the Spondweni virus (SPONV). The Spondweni virus was first isolated in Nigeria in 1952, and ever since, SPONV transmission and activity have been reported throughout Africa. Its primary vector of transmission is the sylvatic mosquito "Aedes circumluteolus", though it