BEIJING — Here are the latest developments on the novel coronavirus disease (COVID-19) in China:

— China classified all counties as low-risk for COVID-19 from May 7 as no domestic cases had been reported on the Chinese mainland for four consecutive days as of May 6, with no new deaths for 22 consecutive days.

— Over 90 percent of the 2,015 respondents polled in a recent survey conducted by China Youth Daily said they have resumed their work as the COVID-19 epidemic subsides in China.

— China's exports of epidemic control materials continued to increase in the past two months, according to the Ministry of Commerce. From March 1 to May 6, the country exported epidemic prevention supplies to 194 countries and regions through procurement.

— South China's Guangxi Zhuang autonomous region has opened its first nucleic acid testing lab for four of its border ports, with a designed testing capacity of 200 samples daily.

— The National Health Commission said on May 7 that no new domestically transmitted cases of the COVID-19 were reported on the mainland on May 6, with two imported cases, one in Shanghai and the other in Guangdong province, reported on May 6.