What is the difference between influenza a and influenza b?

The symptoms of influenza A are usually more severe than those of influenza B.Influenza A is more likely to appear between early winter and the beginning of spring in areas that have distinct seasons whereas Influenza B can appear any time of the year. Both types begin to show symptoms within a week of exposure to the virus.

TAGS: virus, influenza, flu, symptoms, viruses, vaccine, influenza virus, flu virus, H1N1, illness, influenza viruses, seasonal flu, strains, complications, humans, disease, fever, the common cold, strain, subtypes

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