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Why do doctors recommend people get the flu vaccine every year rather than every few years?(1 point)

Responses

They should get the flu vaccine because their bodies already have a resistance.
They should get the flu vaccine because their bodies already have a resistance.

They should get the flu vaccine because their bodies do not build up resistance.
They should get the flu vaccine because their bodies do not build up resistance.

They should get the flu vaccine because viruses mutate.
They should get the flu vaccine because viruses mutate.

They should get the flu vaccine because viruses do not mutate

1 answer

The correct response is: They should get the flu vaccine because viruses mutate.

Flu viruses change frequently, and each year's vaccine is tailored to protect against the most common strains in circulation. This is why annual vaccination is recommended.