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Epidemic|BA.2.12.1 The new variant virus first entered the community, the infected couple went to 11 places in the East District

2022-05-20T10:16:46.358Z


The BA.2.12.1 subline of the Omicron variant strain entered the community for the first time. The Department of Health announced today (20th) that there were 243 new confirmed cases, including 26 imported cases, including 11 BA.2.12.1. The Department of Health's investigation found


The BA.2.12.1 subline of the Omicron variant strain entered the community for the first time.

The Department of Health announced today (20th) that there were 243 new confirmed cases, including 26 imported cases, including 11 BA.2.12.1.

The Department of Health’s investigation found that a couple returning from San Francisco and a father and son returning from Nepal had the same genetic sequence of the virus. The four were quarantined at the Lan Kwai Fong Hotel@Kowloon Fong Hotel in early May.

The San Francisco couple completed the quarantine and returned to the detached house on Tam Kung Temple Road, Shau Kei Wan. The sample from the community testing center on the 12th was positive. The woman's virus load was extremely high. It is estimated that it is a new infection case.


Ou Jiarong, the chief doctor of the Infectious Diseases Division of the Centre for Health Protection, said that the four people lived in the same room on the same floor of the hotel, which did not rule out the couple being infected in the hotel; they had been to 11 places after returning to the community, mainly in Shau Kei Wan and Tai Koo. , Beijing, all will be included in the mandatory testing list announced tonight, and citizens who have been there at the designated time must go for nucleic acid testing.


The Department of Health announced 243 new confirmed cases today, about 50 fewer than yesterday, including 26 imported cases.

Ou Jiarong said that after genetic analysis of the cases, 11 cases of the BA.2.12.1 sub-strain of the Omicron mutant virus strain were found yesterday, involving 6 males and 5 females, aged 19 to 65 years old.

There were 8 arrivals from the United States, 1 from Turkey, 1 from the Netherlands and 1 from Nepal.

At present, there are a total of 46 positive cases of BA.2.12.1 in Hong Kong, which were previously found at the airport or quarantine hotel and did not enter the community.

However, it finally fell today. Ou Jiarong said that a couple who arrived in Hong Kong by CX851 from San Francisco, USA on May 3 were quarantined at the Lan Kwai Fong Hotel @ Jiuru Fang and lived in Room 3204.

During the isolation period, the test samples were always negative. After completing the quarantine, he returned to the detached house in Shau Kei Wan.

Afterwards, they went to the community testing center for nucleic acid testing on May 14, the 12th day after returning to Hong Kong, and the results were positive. The relevant case was reported on May 16.

Ou continued to say that about the couple, the 64-year-old lady had received three shots of the vaccine. She developed mild illnesses such as fever, cough, and runny nose on May 12, or the 10th, and her CT value was 15. , the virus load is quite high.

The family member she traveled with was a 65-year-old man who had also been vaccinated for three times and remained asymptomatic. He was positive on May 14 and 12, with a CT value of 32 and a low viral load.

The two have no previous history of confirmed cases.

Ou Jiarong believes that in the case of this couple, one of the cases has a higher viral load. I believe that this lady must not be a positive case, but a recent infection. It cannot be ruled out that she was infected in a quarantine hotel, and the chance of infection in the community is small, because the community BA.2.1.2.1 was not prevalent, and symptoms were present on the 2nd day, and all the colleagues were confirmed.

Ou refers to the details later.

Ou added that since the two are BA.2.12.1, they may be highly contagious. There were activities in the community from May 10 to 15, and the 11 places they visited must be included in compulsory testing. Local citizens are required to undergo nucleic acid testing tomorrow or the day after.

▼On May 19, the bar will resume business▼


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There is another pair of father and son stained with BA.2.12.1 on different floors of the same hotel

Au Jiarong said that the investigation found that there were two other cases in the same hotel while they were staying in the quarantine hotel.

The room they lived in was 3304, involving a father and son, 62, and a 27-year-old son.

They arrived in Hong Kong from Nepal, India and Singapore on 5.7. After the two left the quarantine hotel, they were also tested positive in the community.

One of them tested positive on May 10, the fourth day, and was sent to the community isolation facility; the other tested positive on May 11, the fifth day, and was also sent to the community isolation facility.

The Department of Health sent the three samples to a public laboratory for full gene sequencing. It was found that the genetic sequences of the three people were the same. It was suspected that there may be transmission in the hotel. Therefore, Yuen Guoyong, a government expert consultant and chair professor of the Department of Microbiology of the University of Hong Kong, was invited to inspect the hotel.

Ou added that the confirmed couples and their father and son live on different floors, but the seating orientation is the same. It cannot be ruled out that there is a chance of transmission in the hotel, and in-depth investigations are needed.

BA.2.1.2.1 is the branch where BA.2.2 appeared before

Ou Jiarong explained that BA.2.1.2.1 is a branch of BA.2, similar to BA.2.2 that was popular in Hong Kong before.

"However, there are new gene mutations, and more scientific data will be required to determine whether the prophet will re-infect BA.2.1.2.1 after he is infected with BA.2.2. However, looking back at the scientific data, there is no evidence that the virus strain causes severe disease and the risk of death is particularly high. High, according to the preliminary data released by the WHO (WHO), it may be more infectious than the previous BA.1 or Delta, but there is no scientific evidence to confirm that the branch has a more serious situation, we need to see more data.”

▼On May 19th, 5 customers of Tan Zai San Ge in Sheung Wan were infected and 4 of them had attended the Benchmark Hongsi in Sheung Wan▼


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520|Newcomer Jiera Buried Skylight Happy Banquet The number of people at the banquet is relaxed, and the banquet will be added: everyone is happy, the fourth injection|The Science and Technology Committee advocates that at least 7 types of people can be vaccinated, which can provide additional protection for young adults. Hong Kong City Hall is listed as the youngest monument Records of Lei Shengchun and Muslim chapels listed on the list of vaccines | Yuan Guoyong: At this stage, it is against the principle of fairness to cancel the closure of only the elderly. A total of 7 positive cases have been found in the fifth and sixth blocks of Regent Garden.

Source: hk1

All news articles on 2022-05-20

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