Which statement is NOT a reason why new strains of influenza are identified each year?
A) Antigenic drift causes changes to the antigens on the surface of the virus.
B) Viruses reproduce rapidly and often make mistakes in their genetic sequences,resulting in new strains of viruses.
C) Viruses can swap genes with other viruses,creating new strains of viruses.
D) Influenza vaccines introduce new strains of influenza to populations every year.
Correct Answer:
Verified
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Q28: Which of the following is found in
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A) It
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