Workers make face masks at the workshop of a biological engineering company in Qingdao, east China's Shandong Province
As of April 22 18:00, there were no new imported cases of novel coronavirus reported in the city. So far, of all the 53 imported cases, 45 have been discharged upon recovery and 8 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.