Barely eight months after India declared itself free from avian influenza (bird flu) in June 2010, this fatal and highly contagious disease has resurfaced in Tripura.

Samples of sick poultry birds from the government duck farm at R K Nagar in Agartala were yesterday found to contain H5 strain of avian influenza virus.

Consequently, the department of animal husbandry formally notified the re-