What is H9N2?

Topics Covered: Issues related health. What is H9N2? What to study? For Prelims and Mains: H9N2- spread, concerns and symptoms. Context: Indian scientists have detected the country’s first case of infection with a rare variant of the virus- H9N2- that causes avian influenza, or bird flu. About H9N2: H9N2 is a subtype of the influenza …