Aerial photo shows residents queuing up to take swab sample for nucleic acid testing at a community in Lu'an, east China's Anhui Province, May 22, 2021.Photo:Xinhua

From 2 pm Saturday until Monday, Lu'an will conduct a third round of nucleic acid testing for residents in the main districts and key areas, said the municipal health commission. Lu'an started its second round of COVID-19 testing on May 17. As of May 19, a total of 1,050,298 samples had been tested, all of which came back negative.  

Aerial photo shows residents queuing up to take swab sample for nucleic acid testing at a community in Lu'an, east China's Anhui Province, May 22, 2021.Photo:Xinhua

 

A medical worker collects a swab sample of a resident for nucleic acid testing at a community in Lu'an, east China's Anhui Province, May 22, 2021.Photo:Xinhua

 

A medical worker collects a swab sample of a student for nucleic acid testing at a primary school in Lu'an, east China's Anhui Province, May 22, 2021.Photo:Xinhua

 

Students queue up to take swab sample for nucleic acid testing at a primary school in Lu'an, east China's Anhui Province, May 22, 2021.Photo:Xinhua

 

A medical worker collects a swab sample of a resident for nucleic acid testing at a community in Lu'an, east China's Anhui Province, May 22, 2021.Photo:Xinhua