Difference between influenza a and b

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Tags: difference between influenza a and b difference between influenza a & b difference between influenza a and b symptoms difference between influenza and common cold difference between influenza and covid difference between influenza and pneumonia difference between influenza and flu difference between influenza a h1 and h3 difference between influenza a and b virus difference between influenza and rsv difference between influenza and a cold difference between influenza and hib what is the difference between influenza a&b what's the difference between influenza a & b what is difference between influenza a and b