2 questions on immunity involving chicken pox and flu?

!) The chicken pox virus needs 2 to 3 days to establish a thriving infection. The antibody response takes 5 to 7 days to become fully effective. What might happen if a person was infected by the chicken pox virus but had no macrophages? 2) Why do most people get chicken pox just once, but they get the flu again... show more !) The chicken pox virus needs 2 to 3 days to establish a thriving infection. The antibody response takes 5 to 7 days to become fully effective. What might happen if a person was infected by the chicken pox virus but had no macrophages?

2) Why do most people get chicken pox just once, but they get the flu again and again?




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