What is the difference between influenza a and 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: symptoms, virus, flu, influenza, viruses, influenza virus, influenza viruses, illness, flu virus, fever, vaccine, H1N1, the common cold, cough, disease, infected, flu symptoms, treatment, strain, infection

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