在象山县高塘岛乡，我们连续16年对273名沪191株麻疹减毒活疫苗初免成功者进行了抗体持久性观察。
This article reports the study of the duration of immunity induced by Shanghai 191 measles live vaccine in Gao Tang Island of Xiangshan County . 273 children immunized in 1973 were observed over 16 consecutive years .
高塘乡