Following the emergence of a new variant of the virus in the Lan Kwai Fong Hotel, the Quarantine Hotel Courtyard by Marriott Sha Tin also recently spread the BA.2 variant virus.
Two quarantined persons staying at the hotel were confirmed successively and both were infected with the BA.2 variant virus strain.
Au Jiarong, the chief doctor of the Infectious Diseases Division of the Centre for Health Protection of the Department of Health, said today (28th) that yesterday (27th), he had joined the Electrical and Mechanical Department to inspect the hotel and found that the source patient's room 2835 had positive pressure. The air will flow out of the corridor, and it is believed that the virus spreads through the corridor to the adjacent room 2833, infecting another person in quarantine.
Ou Jiarong also pointed out that during the investigation, it was also found that the air purifiers in the two rooms were moved away from the recommended positions near the door; the two quarantine persons did not wear masks when they opened the door to collect meals or take out garbage, which is believed to be the cause of transmission.
▼On May 20, Lan Kwai Fong Hotel @ Jiurufang exploded the BA.2.12.1 new variant virus epidemic▼
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The positive pressure virus in the room first flows out of the corridor and then to the adjacent room
Two quarantined persons who stayed in different rooms of the Courtyard by Marriott Sha Tin were confirmed to have been diagnosed earlier, and they were both infected with the BA.
Au Jiarong pointed out that the Centre for Protection and the Electrical and Mechanical Services Department visited the hotel yesterday and found that the source patient's room 2835 had positive pressure. When the door was opened, the air in the room would flow out of the corridor, but the air flow in the room and the exhaust fan were working. normal.
The department believes that the virus first flowed out of the corridor from room 2835, and then flowed to another adjacent room 2833 to infect another person under quarantine.
The location of the air purifier is far from the door. Quarantine people open the door without wearing a mask
In addition, the air purifiers in the two rooms were not placed in the recommended positions close to the door, but were placed farther away from the door.
Ou Jiarong also pointed out that by checking the CCTV, it was found that the two quarantine personnel did not wear masks when they opened the door to collect meals or take out the garbage, which is believed to be the cause of the spread.
Ou Jiarong said that the hotel has been instructed to adjust the air system to make the air pressure normal, and the air purifier should be placed at the designated position at the door.
The department has also asked the hotel to post signs reminding guests to wear masks when opening the door.
▼On May 27th, the outbreak of Desiqi Canadian International School▼
Ou Jiarong: Seven-day hotel quarantine is mandatory
According to Chen Zhaoshi, Secretary for Food and Health, the authorities are looking into requiring arrivals to take an additional nucleic acid test after completing the seven-day hotel quarantine until the 14th day of arrival in Hong Kong.
Au Jiarong pointed out that Hong Kong's foreign import and epidemic prevention strategy relies on the seven-day quarantine after arriving in Hong Kong.
From April 1 to May 22, there were a total of 1,020 imported cases, of which 57% were found at the airport, and most of the rest were found during the seven-day hotel quarantine period, and some were found at a later stage. Therefore, the seven-day hotel quarantine is considered mandatory. .
He went on to mention that 40 cases were discovered after completing quarantine, and most of them were discovered on the 12th day, but many of them were people who had previously been diagnosed, and were believed to be Fuyang cases.
If you want to increase the number of nucleic acid tests during the quarantine period, you need to rely on the data to know that it is appropriate to take the test on the first day of arrival of the passengers.
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