China says Qingdao virus flare-up began with port workers and spread from hospitalChina | 16 Oct 2020 5:56 pm
The coronavirus cluster in the eastern port city of Qingdao began with two port workers who stayed at the same hospital, the local health commission said today, state media reports.
They became infected and were on hospital quarantine in September.
According to authorities, they used a scan room for examination, but the room was not properly disinfected, before receiving other patients on the following day.
Authorities said sequences of the virus' genome of recent patients and the two patients have shown a high level of similarity.
Qingdao first reported three asymptotic cases on October 11, and since then 13 confirmed infections have been found, all related to a local hospital.
A five-day virus testing program that was launched on Monday has been completed, covering all 11 million residents.
As of 8:00 a.m. Friday, over 10.16 million samples had been tested, and results showed no new positives.
The workers, surnamed Chen and Dong, were stevedores of Qingdao Port Dagang Company. They were moved into the hospital for medical observation after testing positive for the novel coronavirus on September 24. They were asymptomatic by then.
One of the workers, 40-year-old Dong, developed symptoms after 20 days on October 14 and became a confirmed patient.
They had unloaded imported frozen products on September 19.-Photo: Xinhua