Indian health officials are warning that the spread of bird flu could spiral out of control if it is not contained in eastern India.
Health officials say that the virus has already been confirmed in seven of 19 districts in the state of West Bengal. Health workers are facing an uphill battle in the state where many local villagers are unaware of the disease and refuse to give up their poultry to be culled.
West Bengal's animal husbandry minister, Anisur Rahaman, estimates that at least two million birds will need to be killed. Rahaman says the state has already slaughtered about 400-thousand birds.
Gautam Gupta has more details.