Understanding H3N2 Influenza: What You Need to Know

H3N2 is a subtype of the Influenza A virus and causes respiratory infections. It can also infect birds and mammals, mutating into many strains. The virus is highly contagious and can spread rapidly from one person to another through droplets released when coughing, sneezing, or talking by an infected individual. It can also spread if someone touches their mouth or nose after contacting a surface that has the virus on it.