LyrArc Article Gist
Beijing residents say they began to relax in wearing masks or not wearing them, not wearing masks properly, after 8 weeks with no cases. A vegetable and fruits wholesale market in Beijing, in southwestern district of Fengtai,  which supplies 80% of the fruits and vegetables to Beijing's 21 million people is now seen by health authorites in Beijing as the source of a new outbreak. 79 new cases are traced back to this market on June 15. 

In Beijing restaurants and shops had reopened. Primary schools and other schools had reopened.

Public health experts are looking at the possibility that the source is a cutting board for frozen salmon imported from overseas possibly Europe-. because of the DNA sequencing of the virus experts say. Contaminated seafood or meat is suspected as a source. China's CDC says the virus can survive on frozen meat or seafood for 3 months.

Just when this new cluster was detected in Beijing, the city of Wuhan the origin city of the virus is permitting indoor sports and entertainment facilities reopen, and this WSJ report says Wuhan is making masks no longer mandatory outdoors.

Beijing authorites have responded with mass testing, and contact tracing through neighborhood committees. About 100,000 people are organized by neighborhood committees to visit the city's 7000 residential compounds for contact tracing to identify people who visited the market and get them to test for coronavirus. This is the typical response in China to get large numbers of low level officials, workers and volunteers mobilized for contact tracing and testing. By June 14 about 76,000 people were tested - of this 13,000 are from the 29,000 who visited the market since May 30, according to Beijing government statistics.