发(fā )布(bù )会回应(yīng )】7月16日(rì ),上海市疫情防控工作(zuò )领(lǐng )导小组(zǔ )专(zhuān )家组成员(yuán )袁政安(ān )表示,本次疫情(qíng )主(zhǔ )要由(yóu )于相(xiàng )关(guān )感染(rǎn )者(zhě )的聚集活动(dòng ),因在相对密闭的空间(jiān )内共(gòng )同(tóng )暴露而导(dǎo )致感染并(bìng )传(chuán )播。#上海新增本土确诊(zhěn )5例(lì )无(wú )症状28例#
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