6 Facts about Flu and Flu Symptoms

What Is Flu?

Flu is a respiratory infection caused by a number of viruses. Flu viruses pass through the air and enter your body through your nose or mouth. Flu can be serious or even deadly for elderly people, newborn babies and people with certain chronic illnesses.

facts and flu symptoms 6 Facts about Flu and Flu SymptomsSymptoms of Flu

Symptoms of flu may include:

  • Headache
  • Cough
  • Sore throat
  • Fever
  • Body or muscle aches
  • Chills
22-11-2011 by Drali @mesrahealth
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