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Influenza (the flu) is a contagious respiratory illness caused by influenza viruses that infect the nose, throat, and lungs. Flu can be serious. Most people who get flu will just feel sick, but some will experience severe illness, and even death.

Prevent Flu

Even healthy people can get the flu. Take steps to protect yourself and those around you

Get Your Flu Vaccine

Everyone 6 months and older get a flu vaccine each year. Go to your primary care provider, local pharmacy, or find a flu vaccine provider near you at vaccines.gov

Wash your hands

Frequently wash your hands with soap and warm water for at least 20 seconds.

Stay Home When Sick

If you are sick or feel symptoms, stay home.

Signs and Symptoms

People who have flu often feel some or all of these symptoms:

  • fever (usually high; however not everyone with flu will have a fever)
  • dry cough
  • sore throat
  • runny or stuffy nose
  • muscle aches
  • headache
  • extreme tiredness
  • Sometimes stomach symptoms, such as nausea, vomiting, and diarrhea, can occur but are more common in children than adults.

Healthcare Providers

  • Click here for Guidance
  • Reportable Influenza cases include:
    • Influenza-associated intensive care unit hospitalizations
    • Pediatric influenza-associated deaths
    • Influenza Outbreaks
      • Institutional Setting where flu outbreaks should be reported include (but are not limited to):
        • Long-Term Care Facilities
        • Correctional Facilities
        • Group Homes
    • During Influenza Season routinely report positive cases to WCHD.

More On Flu

Visit the CDC or IDPH influenza website: