As US reports first human bird flu death, expert says virus is 'lethal'. Check symptoms, diagnosis and prevention tips

Bird flu death in US: US has reported its first human death due to bird flu. Bird flu is a viral infection that spreads in birds, cows and other animals. Also known as H5N1, it was detected in 1996. 66 human H5N1 cases have been reported in the US since 2024 as of first week of January this year. Check the symptoms of bird flu, its treatment, diagnosis and some prevention tips.