Influenza is an acute viral disease of the respiratory tract caused by the influenza virus of which there are 3 main types: A, B, and C. it Is important to detect with time, as it is of rapid spread and serious complications.

Expert: Roberto Balassa, a pediatrician of the Clinic Quilín of the University of Chile

Influenza type includes several subtypes depending on the antibodies and dominant that have caused several epidemics in different eras:

  • H1N1: Spanish flu in 1918
  • H2N2: asian flu in 1957
  • H3N2: Hong Kong flu in 1968

It is important to attack the disease, as is rapid in its spread and the severity of complications, among which are pneumonia, viral and bacterial.

Symptoms of Influenza

This box of flu starts suddenly with:

  • High fever
  • Headache
  • Weakness or tiredness (can be extreme)
  • Dry cough
  • Sore throat
  • Romadizo or nasal discharge
  • Muscle aches
  • Diarrhea and vomiting (more frequent in children)

These symptoms are generally known as “flu symptoms, or flu”. There are many other diseases, like the common cold, which can give similar symptoms (although the common cold tends to be more mild).


In principle sufficient rest at home, the consumption of liquids and the normal care. If there are worsening of symptoms we can add the use of analgesics, but it is recommended to go to the doctor for the treatment and exact medication.

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