患儿男,10个月。于1988年7月3日接种冻干麻疹疫苗后20h 出现高热,体温达39.5℃,精神萎靡、哭闹不安。以接种处针眼为中心出现针尖大鲜红色丘疹,数小时后形成椭圆形水疱,浆液清亮如露珠,疱壁薄而透明,接种处水疱予第3 d破溃,流出混浊浆液,留下表浅溃疡并渐向周围浸润。至第5 Children male, 10 months. High fever was observed 20h after inoculation of freeze-dried measles vaccine on July 3, 1988, with a fever of 39.5 ℃. Inoculation with the needle as the center of the needle tip of the big red papules, a few hours after the formation of oval blisters, clear serum such as dew, blister thin and transparent, inoculation blister on the 3rd d rupture, out of the turbid slurry, leaving the superficial Ulcers and gradually infiltration around. To the fifth