Influenza (flu) – Causes, Symptoms & Complications
Influenza viruses spread when people with flu cough, sneeze, or talk, sending droplets with the virus into the air and potentially into the mouths or noses of people who are nearby.
Influenza viruses spread when people with flu cough, sneeze, or talk, sending droplets with the virus into the air and potentially into the mouths or noses of people who are nearby.