<span style="color: #222222;">In Chhattisgarh, the first case of avian influenza virus or bird flu was confirmed in five samples of poultry chicken in Balod district yesterday.</span><br />'' <span style="color: #222222;"> </span><br />'' <span style="color: #222222;">A warning has been issued in all districts, stressing on increased surveillance around water bodies, live bird markets, zoos and poultry farms following confirmation of bird flu in the state.</span><br />'' <span style="color: #222222;"> </span><br />'' <span style="color: #222222;">Agriculture department officials said that surveillance has been stepped up in 10 Kilometer radius of the affected area of village Gidhali of Dondhi block in Balod district.</span><br />