Respiratory Virus Prevention
Respiratory viruses, like influenza (flu), COVID-19, a​​nd respiratory syncytial virus (RSV), circulate year-round in the U.S. and California—and are typically more active in fall and winter. This period of time is referred to as “cold and flu season” or “virus season.”
There are ways to lower your chances of getting and spreading respiratory viruses like Flu, COVID-19, and RSV. These precautions are especially important for people at high risk of severe illness.
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Who is at high risk for severe illness?
Older Adults:
Young Children and Infants:
People with weakened immune systems:
People with disabilities:
People who are pregnant:
People with underlying health conditions:
Learn more about respiratory virus prevention.