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

先天性ではなく生涯を通じて獲得された特定の病気に対する免疫；感染症に罹患した後の抗体の形成、妊娠中の母親から胎盤を介した胎児への抗体の移行、またはワクチン接種によって獲得される