博天堂现金官网:China goes all out to contain Delta outbreak

发布时间: 2021-08-03 09:36 | 来源: Xinhua | 作者: huaxia | 责任编辑: 江虹霖

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-- China is facing new spikes in sporadic COVID-19 infections, as the country recorded 328 new locally transmitted confirmed cases in the past month, a number almost equal to its total number in the previous five months.

-- The new round of infections started on July 20 when some airport cleaners in Nanjing, east China's Jiangsu Province, tested positive during routine testing.

-- Viral genome sequencing found all the strains to be the highly infectious Delta variant and cities hit by the recent resurgence have promptly taken action to curb the spread of the coronavirus.

Staff members put on their personal protective equipment in a "Falcon" air-inflated testing lab for COVID-19 nucleic acid testing at Nanjing Railway Station in Nanjing, capital of east China's Jiangsu Province, July 27, 2021. (Xinhua/Ji Chunpeng)

Considering the transmission chain has extended to other parts of China, Zhong stressed the importance of control and prevention in communities and wearing face masks in densely populated areas.

The outdated interpretation of "close contacts" no longer applies to the Delta strain due to its high load, virulence, and infectivity, Zhong said.

Previously, those who had meals with an infected person or sat close to each other in the same office could be considered close contacts. Now, people who were in the same space, workplace, or building with an infected person four days before can be counted as close contacts. It is the change in the concept of "close contacts" that demands major adjustments in the epidemic prevention and control model today.

Building a herd immunity is needed to combat the Delta variant, which can be achieved with around an 83.3-percent vaccination rate in China, said the expert.

(Video reporter: Lin Kai, Liu Yuxuan, Wu Xinsheng, Cao Yanyu; Video editor: Luo Hui) ■

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