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Business, 16.09.2019 22:50 alexislringler

In a period of three months, fredrica has contracted three different diseases caused by streptococci. why did she not become immune to streptococcal infections after the first incident? what is the likelihood that she will get any of these infections again? explain your answer in terms of the specific immune response.

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In a period of three months, fredrica has contracted three different diseases caused by streptococci...
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