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
Bwamba Fever Bwamba fever virus is transmitted to humans through mosquito bites. The main anthropophilic vectors are "Anopheles gambiae" and "Anopheles funestus". The animal reservoir includes birds, monkeys and donkeys, which have been found to possess antibodies to Bwamba virus. Bwamba fever presents itself as a severe, but benign generalised infection of short duration, usually only lasting four to five days. Symptoms include fever, headache, arthralgia, and local as well as generalised pain. No fatalities have been recorded so far. "Exanthem is nearly always present and is frequently associated with meningeal involvement. [...] Intestinal tract involvement, especially diarrhea, is also seen. Some