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
Kreisliga Hessen system in 1919. Southern Germany, now without the Alsace and Lorraine regions, which had to be returned to France, was sub-divided into ten "Kreisligas", these being: The new Kreisliga Hessen was made up from ten clubs from both the Nordkreis and Westkreis leagues. The league winners of the Kreisligas advanced to the Southern championship. This system applied for the 1919-20 and 1920-21 season. In 1921-22, the Kreisliga Hessen was split into two groups of eight, increasing the number of tier-one clubs in the region to 16. The two league winners then played a final to determine the Hessen champion, which