Know symptoms of Bird Flu which has affected several states

Uttar Pradesh has been put on high alert amid reports of bird flu and districts have been given strict instructions to start culling infected birds even if a single case is reported. 

On Thursday, more birds died in many states. 381 migratory birds were found dead in Himachal Pradesh, while a central team has arrived in two districts of Kerala to assess the situation, where thousands of chickens and ducks have been killed.