Covid cases reported on the mainland fall to 520
Mainland authorities on Wednesday reported 520 new Covid cases. That’s 168 fewer than the day before.  About 100 of the infections were symptomatic.  Shanghai accounted for around 75 percent of the total cases, and one of the patients was found outside the financial hub’s quarantined areas.  No new deaths were reported in China's business capital for the day. Beijing reported 47 cases, one fewer than Tuesday.