7月30日，据南京市疫情防控发布会消息，此次疫情源头系南京禄口机场保洁员清扫俄罗斯入境航班致感染。从20日起，越来越多的保洁员被确诊。南京禄口机场机舱保洁员李丹（化名），系本次疫情确诊病例之一。她表示，机场和保洁公司对员工进行过一些个人防护培训，在保洁人员和清洁工具分配上，国际国内机舱都是混合使用，保洁员们共用休息区吃饭。李女士称，他们还要保障国内外航班垃圾清运，垃圾在舱外洒落易构成传播风险。
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来源：新京报
