It takes about 90 days so that the antibodies can get in action. This process is known as seroconversion and antibodies are not produced right after the person has been infected.
Answer:
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<span>In this item, we are required to give the possible thing that needs to be done in order to help prevent the muscle mass loss at our age. From the given choices, the answer to this item is to maintain a regular exercise program, letter B. In this way we are able to make the mass of the muscles consistent. </span>
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