Medical workers transfer packages of medical waste in an air-inflated laboratory for COVID-19 nucleic acid testing in Debao County of Baise, south China's Guangxi Zhuang Autonomous Region, Feb. 13, 2022. (Xinhua/Cao Yiming)

In recent days, mobile laboratories and air-inflated laboratories have been put into use in order to improve the efficiency of COVID-19 nucleic acid testing in Debao County of Baise, south China's Guangxi Zhuang Autonomous Region.

Photo taken on Feb. 13, 2022 shows air-inflated laboratories for COVID-19 nucleic acid testing in Debao County of Baise, south China's Guangxi Zhuang Autonomous Region. (Xinhua/Cao Yiming)

Aerial photo taken on Feb. 13, 2022 shows a mobile cabin PCR (polymerase chain reaction) laboratory in Debao County of Baise, south China's Guangxi Zhuang Autonomous Region. (Xinhua/Cao Yiming)

A medical worker transfers packages of COVID-19 nucleic acid testing samples in Debao County of Baise, south China's Guangxi Zhuang Autonomous Region, Feb. 13, 2022. (Xinhua/Cao Yiming)

Medical workers handle COVID-19 nucleic acid testing samples in a laboratory in Debao County of Baise, south China's Guangxi Zhuang Autonomous Region, Feb. 13, 2022. (Xinhua/Cao Yiming)

Medical workers are seen inside a mobile cabin PCR (polymerase chain reaction) laboratory in Debao County of Baise, south China's Guangxi Zhuang Autonomous Region, Feb. 13, 2022. (Xinhua/Cao Yiming)

Editor: Jin Weiduo