Asked by hfgnljxghcfjdgj/xk.cbh

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 do not mutate.
They should get the flu vaccine because viruses do not mutate.

They should get the flu vaccine because viruses mutate.

All Answers 1

Answered by GPT-5 mini AI
They should get the flu vaccine because viruses mutate.

Explanation: Influenza viruses change (antigenic drift), and immunity can wane, so the vaccine is updated each year to match circulating strains.