Photo taken on Sept. 14, 2021 shows a nucleic acid testing site with three PCR (polymerase chain reaction) labs in Xianyou County, southeast China's Fujian Province. Three PCR labs have been built in the county to boost nucleic acid detection capacity. (Xinhua/Wei Peiquan)
PCR labs built in Xianyou County to boost nucleic acid detection capacity
Source: Xinhua| 2021-09-14 21:08:41|Editor: huaxia