Beijing, August 1: Amid the recent resurgence of COVID-19 cases in some cities of central China, the country's top respiratory disease specialist has expressed concern over the latest outbreak in Central China's Zhangjiajie city.

Zhangjiajie is a famous tourist destination in Hunan Province where at least eight confirmed cases were found as of Sunday, Global Times reported. At an event on Saturday, top disease expert Zhong Nanshan said whether the epidemic in Zhangjiajie will further spread within the smaller city is still unknown. At least seven cities in five provinces, including Beijing, Sichuan, Liaoning and Jiangsu provinces found COVID-19 cases linked to the tourist destination. China: Zhangjiajie To Close Tourist Sites After Resurgence of COVID-19 Cases in the City.

This chain of virus spread centred on Zhangjiajie was related to the infections at Nanjing Lukou Airport where it is confirmed to have been caused by the Delta variant.

"The arrival of Delta variant has upgraded the notion of close contact. Close contacts of a confirmed patient should also include people staying in the same space, same building and people who have been in contact within four days," Zhong further said.

China on Sunday reported 75 new cases of confirmed infections. As on July 31, China's National Health Commission had received reports of 93,005 confirmed cases and 4,636 deaths in 31 provincial-level regions.

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