Bird flu outbreak in India: Gravity, threat to humans and economic impact explained Bird flu outbreak in India: Gravity, threat to humans and economic impact explained Bird flu outbreak in India has spread to eight states and Delhi Union Territory. Here's an explainer on the seriousness of the bird flu outbreak, threat of avian influenza spreading to humans and its economic impact in India. advertisement UPDATED: January 11, 2021 13:59 IST Two ducks at the Sanjay Lake in Delhi, which has reported confirmed cases of bird flu. Several ducks have been found dead at the Sanjay Lake. (Photo: PTI) After Delhi and Maharashtra reported confirmed cases of bird flu, the number of states and Union Territories recording