Symptoms of H1N1 flu infection in humans are similar to classic flu-like symptoms, which might include:

  • Fever above 100.4 ?F
  • Cough
  • Sore throat
  • Headache
  • Chills
  • Muscle aches
  • Diarrhea
  • Vomiting


  • Cover your nose and mouth with a tissue when you cough or sneeze. Throw the tissue away after using it. 
  • Wash your hands often with soap and water, especially after you cough or sneeze. You may also use alcohol-based hand cleaners. 
  • Avoid touching your eyes, nose, or mouth, to avoid getting infected by germs. 
  • Avoid close contact with sick people. 
  • If you do get sick, consider staying home from work or school.
  • Routinely clean areas that ill people touch with regular cleaners. Special cleaning with bleach is not necessary

When to Seek Help:

  • Difficulty breathing or shortness of breath
  • Pain or pressure in the chest or abdomen
  • Sudden dizziness/Confusion
  • Flu-like symptoms improve but return with fever and worse cough