Sify reports that authorities of West Bengal Government on Friday had confirmed the spread of the diseases in two more districts of Purulia and Howrah. "The High Security Animal Disease Laboratory of Bhopal has confirmed positive result for Avian Influenza (H5) in respect of samples from the Sankrail block of Howrah district and Santuri block of Purulia district," an agriculture ministry statement said in the capital. The ministry further said that avian influenza strains have been found from the samples of Mayureswar -II and Khoyrasole blocks of Birbhum district, the epicentre of the current outbreak, in eastern India. Kandi block of Murshidabad too have been found positive.
With this confirmation the diseases now has spread to over 11 districts - Birbhum, South Dinajpur, Murshidabad, Nadia, Burdwan, Bankura, Malda, Hooghly, Cooch Behar, Purulia and Howrah.
The outbreak of bird flu was confirmed on Jan 15 in two districts (Birbhum and south Dinajpur) of West Bengal. No human infection has been reported so far. All nine human samples tested in Delhi and Kolkata have been found negative.