The local health officials said they were close contacts of the Beijing cases.
China reported 57 new cases of the coronavirus on Sunday, the highest daily figure since April, as concerns grew about a resurgence of the disease.
The domestic outbreak in China had been brought largely under control through strict lockdowns that were imposed early this year — but a new outbreak has been linked to a meat and vegetable market in south Beijing.
The National Health Commission (NHC) said 36 of the new cases were domestic infections in the capital.
The other two domestic infections reported Sunday were in northeastern Liaoning province, and local health officials said they were close contacts of the Beijing cases.
The alert was sounded after the NHC confirmed the first cases in Beijing for two months on Friday and city officials delayed the return of students in primary schools that had not already resumed classes.
Several of the new cases were linked to the Xinfadi wholesale market, and more cases connected with the market emerged Saturday after wider testing.
The market was closed and AFP reporters saw hundreds of police officers -- many wearing masks and gloves -- and dozens of paramilitary police deployed there on Saturday.
The new cluster of domestic infections has prompted fresh lockdowns with people ordered to stay home in 11 residential estates near to the market.Agence France-Presse
About a dozen vaccines are in different stages of human tests globally, as the World Health Organization warns the coronavirus pandemic is accelerating and "the world is in a new and dangerous phase".
China had largely brought the virus under control since it first emerged in the country late last year, through a series of strict lockdowns and travel restrictions.
The domestic outbreak in China — where the disease first emerged last year -- had largely been brought under control but then a fresh batch of cases was detected in the capital last week.
"Nasa is forgoing a launch opportunity... and preparing for rollback (from the launchpad), while continuing to watch the weather forecast associated with Tropical Storm Ian," it said on Saturday.
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Appolonia World for Orthodontics & Pediatric Dentistry has signed an MoU with Gulf Medical University in the field of training and scientific research to develop the efficiency and skills of students and graduates of the College of Dentistry.