![](http://www.ecns.cn/hd/2022/05/05/fd81fff8de2d4e9289c23903e9942e61.jpg)
Residents shop at a supermarket in Putuo district, east China's Shanghai on May 4, 2022. The risk of COVID-19 transmission has lowered in communities in the district. (Photo: China News Service/Yin Liqin)
If the number of new COVID-19 cases accounts for less than 1/100,000 of the total population in a district for three consecutive days, the community has basically achieved COVID-19 clearance, according to local authorities.
![](http://www.ecns.cn/hd/2022/05/05/186a968b40f649db8ff1f9aebcc0712f.jpg)
Residents shop at a supermarket in Putuo district, east China's Shanghai on May 4, 2022. The risk of COVID-19 transmission has lowered in communities in the district. (Photo: China News Service/Yin Liqin)
![](http://www.ecns.cn/hd/2022/05/05/c91a6ba3059f4543b87b8bc5fab2d236.jpg)
Residents shop at a supermarket in Putuo district, east China's Shanghai on May 4, 2022. The risk of COVID-19 transmission has lowered in communities in the district. (Photo: China News Service/Yin Liqin)
![](http://www.ecns.cn/hd/2022/05/05/ec907d67caf04779871675eb463a5ee1.jpg)
Residents queue to enter a supermarket in Putuo district, east China's Shanghai on May 4, 2022. (Photo: China News Service/Yin Liqin)
![](http://www.ecns.cn/hd/2022/05/05/0377e77b0b9042a88ed84f85e9f835cb.jpg)
Residents queue to enter a supermarket in Putuo district, east China's Shanghai on May 4, 2022. (Photo: China News Service/Yin Liqin)
![](http://www.ecns.cn/hd/2022/05/05/dd116b60c0bb43e3ad25fcd5fa8ab208.jpg)
Residents shop at a supermarket in Putuo district, east China's Shanghai on May 4, 2022. The risk of COVID-19 transmission has lowered in communities in the district. (Photo: China News Service/Yin Liqin)
![](http://www.ecns.cn/hd/2022/05/05/e1eedbbea0f445f6927eb6334ebea925.jpg)
A volunteer helps a woman register information before enter a supermarket in Putuo district, east China's Shanghai on May 4, 2022. (Photo: China News Service/Yin Liqin)