Arignar Anna Zoological Park in Vandalur will remain closed to visitors on October 22 and 23 as a precautionary measure following avian influenza confirmation.
The National Institute of High Security Animal Diseases in Bhopal confirmed H5N1 infection in water birds on October 2, 2026.
Forest Department officials reported that seven water birds, including four painted storks and one grey pelican, died between October 3 and 7.