Question

________ disease is caused by the virus influenza A ( H1 N1 )​

Answer 1

Answer:

The H1N1 flu, commonly known as swine flu, is primarily caused by the H1N1 strain of the flu (influenza) virus. H1N1 is a type of influenza A virus, and H1N1 is one of several flu virus strains that can cause the seasonal flu

Explanation:

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Answer 2

Answer:

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