While seasonal flu happens each year, pandemic flu rarely happens. An influenza pandemic is a global outbreak of a new influenza A virus that is very different from current and recently circulating human seasonal influenza A viruses. Only four flu pandemics have occurred in the past 100 years.
People at High Risk of Flu-Related Complications Need a Flu Vaccine
Most people who get sick with flu will have mild illness. Some people, however, are more likely to get flu complications that can result in hospitalization and sometimes death. People at high risk of flu-related complications can reduce their chance of flu illness and more serious flu outcomes by getting a flu vaccine this upcoming flu season.
Did you know? During the #2009H1N1 pandemic, a first wave of pandemic H1N1 flu activity happened in the spring followed by a second wave that peaked in October. Learn more: https://go.usa.gov/xw4N4
Sign up for the newsletter to receive weekly emails about the coronavirus disease 2019 (COVID-19) outbreak.
