Поставьте артикли, где это необходимо Where immunity to … particular disease is not present, it can be provided by … vaccination to prevent that disease; but it can also be introduced by injecting … antibodies or antitoxins to treat or temporarily prevent … disease concerned. Such protection is called passive immunity and is commonly used against tetanus. During pregnancy … mother passes on her own antibodies and antitoxins to her unborn baby and this provides … passive immunity for … first few months after birth.

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