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Tuesday, September 27, 2011

Influenza virus

Influenza viruses are the only member of the orthomyxovirus family. It is a RNA virus.

Types of influenza virus and severity of influenza:

1.       Influenza A virus – causes worldwide pandemic of influenza.
2.       Influenza B virus – causes major outbreaks of influenza.
3.       Influenza C virus – causes minor infection of respiratory tract.