Bird flu has been confirmed in poultry samples collected from two villages in Nadia District of West Bengal. Government has ordered immediate culling of birds and destruction of eggs and feed material to control further spread of the disease. According to a release issued by the Agriculture Ministry, the samples from the region forwarded to the three laboratories have tested positive for H5 strain of Avian Influenza. The release stated that the entire poultry within a radius of three kilometers of the foci of infection will be culled. In addition to the culling strategy, surveillance will be carried out over a further radius up to 10 kilometers. Apart from this, surveillance is being intensified throughout the State to monitor further spread of infection. West Bengal Government has also been asked to furnish a daily report on the control and containment operations.