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Nanjing Covid-19 Outbreak Originates With Russian Flight
Published on: 2021-08-02
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A flight from Russia, which was suspended several times by the Chinese aviation regulator for carrying COVID-19 patients, was identified as the source of the latest outbreak at Nanjing Lukou International Airport in East China's Jiangsu Province, the Nanjing health authority said on Friday.
 

Airport cleaning staff were infected while cleaning the airplane's cabin, it said.
 

The latest COVID-19 outbreak, which had involved more than 200 people in six provinces and two municipalities — Beijing and Chongqing — exposed the loopholes in the virus prevention work of some airports, which had "loosened guard" as the epidemic is generally controlled domestically, public health experts told the Global Times on Friday.
 

Virus sequences that infected the cleaners, the earliest patients in the outbreak, were the same as those found on imported cases on flight CA910, which arrived in Nanjing on July 10 from Russia, the local authority said.
 

Virus analysis confirmed they were on the same infection chain, and the sequence is the highly contagious Delta variant.
 

The cleaners might have failed to obey personal protection requirements when cleaning the cabin. The cleaners were in charge of disposing garbage for domestic and international flights, creating the possibility of others getting infected by contacting the cleaners or contaminated environment, the Nanjing Center for Disease Control and Prevention said at a press briefing on Friday.
 

Flight CA910 has been suspended at least 10 times due to "circuit breaker" measures for inbound flights, which stipulated a flight be suspended for a week if five or more passengers tested positive, or longer with more infected passengers.
 

In its 10 flights that triggered a "circuit breaker," CA910 has flown a total of 69 COVID-19 patients from Moscow to Chinese cities, including Nanjing, Tianjin and Zhengzhou, China Youth Daily reported on Friday.
 

终于水落石出!南京疫情源头是俄罗斯入境航班

7月30日上午,南京市举行第十场新闻发布会,通报新冠肺炎疫情防控相关情况,本场发布会上,南京市疾控中心副主任丁洁介绍,南京目前已经完成了本次疫情52个相关病例的病毒基因测序工作,均为德尔塔毒株;病毒基因组序列高度同源,提示为同一个传播链,疫情源头为7月10日的俄罗斯CA910入境航班。
 

丁洁主任指出,本次疫情中,早期报告的保洁员病例是关键线索,他们部分人参加了CA910航班的保洁工作,工作结束后,由于防护洗脱不规范,可能造成个别保洁人员感染,进而在保洁员的人群当中扩散传播。该公司的保洁员同时负责了国内和国际航班的垃圾清运,机场的其他工作人员由于接触了保洁员,或由于接触被污染的工作环境而造成感染。
 

对于本次疫情,复旦大学附属华山医院感染科主任张文宏表示,在南京本地,与禄口机场相关感染人员的家庭聚集发病是主要的特征。禄口地区出现较多与机场相关的成簇病例,但南京其他区域并未出现较多的没有源头的社区病例,说明还处于大范围社区弥散前阶段。南京目前已经采取了严格的防控措施,如果管控有效,可在数周内得到控制,对此应该有信心。关键还是后续1-2周的监测,如果进一步出现了较多与禄口机场无直接相关的病例,则标志着疫情规模会扩大,可能需要采取更为果断的措施。

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