英语词汇“waning immunity”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	waning immunity
释义	DictionarySeeimmunity waning immunity waning immunity The progressive loss of protective antibodies against an antigen or disease that occurs with the passage of time. It is a crucial factor in vaccination. Booster doses of a vaccine are given when the immune response to an antigen drops below protective levels. See also: immunity
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