noun[mass noun] Physiology
The short-term immunity which results from the introduction of antibodies from another person or animal. Compare with active immunity.
- The study on understanding the nature of passive immunity in WNV infected mice elucidated the transfer of maternal antibodies through placenta and colostrum 47.
- Vaccines capable of stimulating the mother's and/or infant's immune response or passive immunity therapies may be capable of reducing perinatal transmission 49.
- Researchers expended considerable effort to develop methods of active immunity to prevent scarlet fever, as well as methods of passive immunity to treat scarlet fever.
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