Kathmandu, Feb 5 (IANS) As around 8,000 chickens have died of bird flu , or H5N1 virus in the Nepal's Sunsari district in last few days, more traces of the virus have been found in the region, Xinhua reported.
Though it's been confirmed that the virus led to the chickens' deaths, the samples have been sent to Britain for further investigation.
A team of experts has been mobilised and the district put on high alert, said sources.