HONG KONG, June 5 (Xinhua) -- Hong Kong's Center for Health Protection (CHP) confirmed three cases of COVID-19 on Friday, bringing the total number of confirmed cases in Hong Kong to 1,102 as of 4:00 p.m. Friday local time.
The newly reported cases involve three females aged between eight and 73. All of them had a travel history during the incubation period.
The CHP's epidemiological investigations and relevant contact tracing on the confirmed cases are underway.
In addition, the CHP is investigating an overseas case. The case involves a 68-year-old male patient who took the flight AC7 on Air Canada from Canada arriving in Hong Kong on Thursday.
According to the patient, he had tested positive for COVID-19 in Canada and he was transferred directly from Hong Kong International Airport upon arrival to Princess Margaret Hospital for management.
The CHP has contacted the health authority in Canada to obtain more information about the case.
Meanwhile, the CHP said it has been proactively conducting epidemiological investigations and carrying out preventive control measures in regard to the cluster in a residential building in Sha Tin.
As of 7:00 a.m. Friday, 75 residents of No. 10 and No. 12 units on different floors of the building had been transfered to a quarantine center.
Six residents have been sent to Prince of Wales Hospital for observation due to physical discomfort and all of them tested negative for COVID-19.
As of 4:00 p.m. Friday, 1,363 deep throat saliva samples had been collected in the building, among which 11 samples need to be collected again owing to leakage, while 1,352 samples have had testing for COVID-19 completed. Except for the four confirmed cases announced on Tuesday with positive results, other samples have been tested negative.