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
Sicilian Virus papatasi sandfly vectors, which transmit the virus during blood feeding, are most active. One study has suggested that living near wastewater treatment facilities and the presence of livestock inside the home are risk factors for infection. Sicilian Virus Sandfly fever Sicilian virus (SFSV) is a Phlebovirus associated with sandfly fever. It is related to the Naples and Toscana viruses, which also cause sandfly fever. SFSV was discovered in Palermo, Sicilia, Italy where it affected troops of the World War II Allied Army Forces after the 1943 Sicily landings. Sandfly fever is a nonfatal influenza-like illness. The incubation period is 3–6