Symptoms of Influenza (Flu)

Influenza VirusInfluenza (flu) is an infectious disease that attacks respiratory system.

The virus is spread in droplets of respiratory fluid by direct person-to-person contact, including speaking, sneezing or coughing. It is also possible that a virus survives on the the surfaces that you will touch before touching your nose or mouth.

Actually, there are three types of influenza virus - A, B, and C.

Type A virus can be regarded as the most severe. The latest form of it is widely known as “bird flu” or “avian flu”. Type B viruse is not as serious as type A, but the symptoms are similar. Type C virus is much more milder and its symptoms resemble the symptoms of a cold.

Type A and B viruses have very high mutation rates, which means that you can never know for sure what kind of viruses are most likely to infect you this year.

The incubation period of flu is 24-72 hours. This means that during that period you can be contangeous, even though you don’t have any symptoms of flu.

The outbreaks of Influenza usually occur from October to April and affects millions of people worldwide.

Symptoms of Influenza include:

  • Fever
  • Sore throat
  • Muscle aches
  • Headache
  • Irritated and watering eyes
  • Cough
  • Weakness
  • Fatigue
  • Vomiting (sometimes)

Recovery from flu may take from one to two weeks. Sometimes, Influenza can cause pneumonia and it can be fatal in people with weak immune system and babies.

 

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