When pre-formed antibodies are injected into | vedclass

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(C) When the body is exposed to antigens (living or dead microbes or their proteins) during immunization or infection,antibodies are produced in the h

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Passive immunity

Vedclass · Answer

(C) When the body is exposed to antigens (living or dead microbes or their proteins) during immunization or infection,antibodies are produced in the host body. This is called active immunity.When ready-made or pre-formed antibodies are directly injected into the body to protect against foreign agents,it is called passive immunity.Examples include the administration of tetanus antitoxin or the transfer of $IgA$ antibodies from mother to infant through colostrum.

When pre-formed antibodies are injected into the body,it is called .........

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