COVID-19/Respiratory Illness

Many respiratory viruses, including COVID-19, circulate year-round in the United States and California. Some viruses are more active from October through March, such as influenza (flu) and respiratory syncytial virus (RSV).

Feeling sick?

  • Seek testing or treatment if you are higher risk (including age 65+, Body Mass Index greater than 25, racial or ethnic minority, current or recent pregnancy, or underlying/chronic health problems).
  • Stay home until you have not had a fever for 24 hours without using fever reducing medication AND your other symptoms are mild and improving.

Updated 10/27/2025

Respiratory Virus Guide

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