Category:Influenza

From ArticleWorld


Influenza is an infectious disease caused by an RNA virus which attacks the respiratory system. Very contagious, it is spread by the saliva droplets expelled by coughing.This kind of virus is capable of mutating rapidly which makes it difficult to combat. Influenza has been the cause of some of the deadliest epidemics in the 20th century and is considered a likely cause of what will probably be a pandemic of Avian influenza, or bird flu.


Articles in category "Influenza"

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