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Explain the three basic versions (strains) of influenza:

User Shawn Lee
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The three basic versions (strains) of influenza are types A, B, and C.
User Lorrie
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Answer:

There are three types of flu viruses: A, B, and C. Type A and B cause the annual influenza epidemics that have up to 20% of the population sniffling, aching, coughing, and running high fevers. Type C also causes flu; however, type C flu symptoms are much less severe.

Step-by-step explanation:

User JEzu
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