"Bird flu is now everywhere. Every day we have reports of birds dying in farms," said leading poultry expert and treasurer of the Bangladesh Poultry Association M.M Khan.
"Things are now very, very serious and public health is under danger. The government is trying to suppress the whole scenario," Khan said, adding that farmers were also holding back from reporting cases.
People typically catch bird flu by coming into direct contact with infected poultry, but experts fear a pandemic if the H5N1 mutates into a form easily transmissible between humans.
Migratory birds have been largely blamed for the global spread of the disease, which has killed more than 200 people worldwide since 2003.
