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What's the difference between Influenza A and Influenza B?

I had Inf. A a few years ago so I know what that is, but what's B?


Asked by Anonymous at 10:31 AM on Feb. 10, 2011 in Health

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Answers (3)
  • A is the viral flu

    b is actually a bacterial infection children are immunized for this routinely this bacterial infection causes something called epiglotitis and is deadly in children under 5 in adulthood its not a big deal

    Answer by MELRN at 11:01 AM on Feb. 10, 2011


    Influenza A virus causes influenza in birds and some mammals and is the only species of Influenzavirus A. Influenzavirus A is a genus of the Orthomyxoviridae family of viruses.

    Influenzavirus B is a genus in the virus family Orthomyxoviridae. The only species in this genus is called "Influenza B virus".
    Influenza B viruses are only known to infect humans and seals,[1] giving them influenza. This limited host range is apparently responsible for the lack of Influenzavirus B caused influenza pandemics in contrast with those caused by the morphologically similar Influenzavirus A as both mutate by both genetic drift and reassortment.[2][3][4]

    Answer by Anonymous at 11:04 AM on Feb. 10, 2011

  • Influenza A is a flu mostly in birds and animals and it is rare for a human to catch it, but they do. So the short answer its like the bird flu. Influenza B is more common among humans and it what we normally consider the traditional flu (headaches, body aches, sore throat, fever etc).

    Answer by gemgem at 10:47 AM on Feb. 10, 2011