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Title: Is the general property of immunity of versatility applied to a. or b. Post by: S001997 on Apr 18, 2016 a.Even though your body contains a relatively small number of lymphocytes, your immune system is capable of mounting a response against almost any antigen it encounters.
b.You can suffer from ‘the flu’ multiple times throughout your lifetime as the flu virus mutated every season. Title: Re: Is the general property of immunity of versatility applied to a. or b. Post by: Ludy on May 13, 2016 Well, for Situation A, there is some basic mechanisms like somatic hypermutation (B lymphocyte) or gene recombination that make sure our body can produce enough receptors which can sense the pathogens. But for the pathogens, they also have strategy (for example: mutation) that can escape from the surveillance of the immune system, and sometime the mutation of pathogens is much faster than our immune cells can response. that is why in situation B can happen
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