How Long Does The Flu Last 2025 In India. Last year, around 25,000 people died of the flu in the u.s. In india, both seasonal influenza and avian influenza (in wild birds, poultry) have been widely reported.
The composition of flu vaccines has been updated. After you’ve been exposed to the flu, the time it takes you to get infected (incubation period) is usually one to four days (an average.