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One patient infects 13 others, China reports 39 locally transmitted COVID-19 cases
Published on: 2021-11-10
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The Chinese mainland on Tuesday reported 39 new locally transmitted COVID-19 cases, the National Health Commission said in its daily report on Wednesday.
 

Of the new local cases, 17 were reported in Liaoning, eight in Henan, five in Hebei, four in Heilongjiang, two each in Jiangxi and Yunnan, and one in Sichuan.
 

Also reported were 15 new imported cases, according to the commission.
 

One confirmed COVID-19 patient in Chengdu, Southwest China's Sichuan Province, was found to have transmitted the virus to 13 other people who share space with the patient. Elevators and offices have great risk for viral transmission.
 

The 37-year-old patient infected his wife, daughter, parents-in-law as well as four of his colleagues and five neighbors living in the same building.
 

The man was firstly infected after dining with another confirmed case who returned Chengdu from another province. He became a confirmed patient on November 5.
 

本土新增39+25,在这些省份!四川一地升为高风险

11月9日0—24时,31个省(自治区、直辖市)和新疆生产建设兵团报告新增确诊病例54例。其中本土病例39例(辽宁17例,均在大连市;河南8例,其中郑州市7例、周口市1例;河北5例,均在辛集市;黑龙江4例,均在黑河市;江西2例,均在上饶市;云南2例,均在德宏傣族景颇族自治州;四川1例,在成都市),含6例由无症状感染者转为确诊病例(均在河南)。新增疑似病例1例,为境外输入病例(在上海)。
 

31个省(自治区、直辖市)和新疆生产建设兵团报告新增无症状感染者39例,其中境外输入14例,本土25例(辽宁15例,均在大连市;河南5例,其中周口市4例、郑州市1例;云南2例,均在德宏傣族景颇族自治州;内蒙古1例,在阿拉善盟;江西1例,在上饶市;甘肃1例,在兰州市)。
 

1传13特殊个案!电梯间存在传播风险

11月2日,成都报告本轮疫情的首例病例。该病例有西北多地旅居史,与当地确诊病例有明确的轨迹重叠。经流行病学调查和实验室基因测序,仍为德尔塔新冠病毒变异株引起,与西北疫情病毒株为同一来源。首例病例及早期续发病例多为年轻人,活动范围广、接触人员多,除参加公务活动外,还涉及酒吧、餐馆、健身房等多个场所,容易引起疫情传播。
 

由于德尔塔变异株的传播力更强,此次疫情中也出现了1传13的特殊案例。

据介绍,本轮疫情发现的病例感染速度快,个别病例感染链条长。病例六关联多名感染者,部分感染者是其家人、同事和同栋单元邻居。从流调看,部分病例和病例六之间并没有时空上的交集,而他们的同生活环境比如电梯,检测出阳性样本若干。这提示,感染源头复杂,电梯等公共空间、办公场所都存在较大的传播风险。

为了最快速度地切断传染链条,成都市对可能的风险人群“赋黄码”,实施个人健康监测提醒,减少非必要流动,并通过核酸筛查,发现潜在病例,降低传播风险。

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