Influenza is a viral infection.

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                              Influenza

Influenza is a viral infection.It is an infection of the air passages (respiratory tract). It causes:Fever,

           Head ache,

           Muscle ache,

           Weakness,

           Chills,                                                        

           Loss of appitite,

           Fatigue.

Influenza is formally known as 'flu'.

      Flu is spread by virus infected droplets coughed or sneezed into the air by a person who is carrying the virus around.It usually occurs in small outbrakes or very rarely in epidemics.Outbrakes tend to occur in winter;it spreads rapidly especially in schools and old peoples' homes.

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Causes

There are three types of influenza virus's called, A, B and C.

     A person who has been attacked by virus C needs antibodies (proteins made by the immune system).They should provide immunity against the virus for life.Type C only causes a mild illness that is not much different from a cold, none of the symptons aply to type C except weakness.

     If you have been suffering from type B you would have been feeling lilke you were going to die.This is because you will have suffered all of the symptons above.The type B virus ...

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