| 单词 | passive immunity |
| 释义 | passive immunity (once / 909178 pages) n WORD FAMILY passive immunity USAGE EXAMPLESPassive immunity is therefore different from a vaccine that might require weeks for the person to make their own antibodies against the virus. Forbes(Aug 05, 2014) The methods of active immunity have been practically applied in preventive inoculation against disease; those of passive immunity have given us serum therapeutics. Various, Encyclopaedia Britannica, 11th Edit...(2010) n an impermanent form of acquired immunity in which antibodies against a disease are acquired naturally (as through the placenta to an unborn child) or artificially (as by injection of antiserum) Hyper acquired immunity immunity to a particular disease that is not innate but has been acquired during life; immunity can be acquired by the development of antibodies after an attack of an infectious disease or by a pregnant mother passing antibodies through the placenta to a fetus or by vaccination |
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