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If a chld suffring from cold and cough in class, the children sitting around expose infection. But all of themdo not suffer frominfection why |
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Answer» It depends upon how how strong the metabolism of one child is ,all of them will not be infected,the chid EHO is weak or already just RECOVERED from a disease because of which his IMMUNE SYSTEM GOT weak which can easily attract other disease but not everyone. |
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