No new deaths were reported.
Statista India, meanwhile, has surged past 20 million cases and reported more than 300,000 positive patients every day in the last two weeks.
The results of the three rounds of testing in the coming days will reveal whether Beijing will be required to put in place more stringent lockdown measures, or whether the current outbreak can be contained without significant disruptions to daily life.
In terms of winter sports promotion, the Games boosted the participation of 300 million Chinese people in snow sports.
The National Health Commission said both deaths occurred in Jilin, the northeastern province which has been hardest hit by a nationwide rise in cases that has prompted lockdowns or tight restrictions in several cities.
One Delta patient in Shanghai had had no contact with infected people in other Chinese cities in the 14 days before the person started showing symptoms, a health official in Shanghai said on Wednesday.