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What is Influenza B?

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Updated June 04, 2014

3D diagram of the influenza virus
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  • Although flu season is officially over for now, you can still get it and you may have heard that there is more than one type of influenza. Influenza A is the most common but it is broken down into many different subtypes and even more strains which mutate frequently.

    Influenza B is not as common as influenza A but it still causes outbreaks of influenza and is included every year in the seasonal flu vaccine.

    Have you ever wondered what the difference is between influenza A and B? Do they cause different symptoms or is one more serious than the other? We have information about every type of influenza and have articles that go into more detail about influenza A and influenza B and what they mean for you.

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