PARIS: Nepal has reported an outbreak of severe H5N8 bird flu in a poultry farm in the Koshi region, the World Organisation for Animal Health said on Monday, citing a report from the Nepali authorities. The virus killed 3,650 of the 6,200 hens exposed, with the remaining animals culled, the Paris-based OIE said. Nepal had already reported last month an outbreak of highly pathogenic H5N1 bird flu among chickens and ducks.