A worker makes face masks at the workshop of a biological engineering company in Qingdao, east China's Shandong Province
There were no new imported cases of novel coronavirus reported in the city on Monday. So far, of all the 53 imported cases, 41 have been discharged upon recovery and 12 are still hospitalized, including one in critical condition.
No imported suspected cases are undergoing test.
No new locally transmitted cases or suspected cases were reported on Monday.
3 asymptomatic infection cases are undergoing medical observation right now, the health commission said.