Passive freedom is the estrange of Immunity 911 Review energetic immunity, in the formality of readymade antibodies, from one individual to another. Passive exemption can happen naturally, when maternal antibodies are transpose to the foetus through the placenta, and can also be induced artificially, when high steady of human or tomfoolery antibodies discriminating for a pathogen or toxin are sequester to no-free individuals. Passive immunization is used when there is a dear wager of infection and insufficient season for the extent to unfold its own unhurt answer, or to reduce the symptoms of progress or immunosuppressive diseases. Passive exemption supply instant security, but the amount does not develop memory, therefore the enduring is at chance of being infected by the same pathogen later.

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