Each winter, millions of people suffer from influenza—the flu. The flu virus infects the nose, throat, and lungs, and spreads from person to person through coughs and sneezes. The video explains why a flu shot is important to help prevent this illness, which can be life-threatening in older adults.
Influenza (Flu) Vaccine (Inactivated or Recombinant): What You Need to Know
Influenza vaccine can prevent influenza (flu). Flu is a contagious disease that spreads around the United States every year, usually between October and May.