New Delhi, July 31 -- Bird flu, also known as avian influenza, is a highly contagious viral disease that primarily affects birds but can occasionally spread to mammals, including humans. Recent outbreaks in India have prompted the government to implement various measures to control the spread and protect both poultry and public health. Mint explains what's driving the surge, how worried you should be, and what steps are being taken to contain it.

Bird flu is caused by influenza viruses that occur naturally in wild aquatic birds worldwide. These viruses can spread to domestic poultry and other animals.

In birds, symptoms include sudden death, lethargy, reduced appetite and egg production, swelling of the head, and respiratory or digestiv...