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Written by: Zheng Cuibi
2021-06-15 19:37
Last update date: 2021-06-15 19:42
A 17-year-old girl in Tin Shing Court, Tin Shui Wai, was diagnosed with the new crown virus earlier this month and confirmed to carry the British variant virus. The source of infection is still unknown. The Centre for Health Protection announced today (15th) that a frozen crocodile meat package surface in a refrigerator in her home The test result of the new coronavirus is positive, which is a new finding in the investigation.
The source pointed out that the girl sneezed when she opened the refrigerator.
In response to the incident, Xu Shuchang, a government expert consultant and chair professor of the Department of Respiratory System of the Chinese University, pointed out that it is more likely that the girl will contaminate the food packaging, rather than the food packaging. Whether it is infectious.
Liang Zichao, a specialist in respiratory medicine, believes that the government should further investigate the supply chain of frozen crocodile meat to study whether it may be contaminated; check the same batch of frozen crocodile meat for viruses; and be a supply chain worker Do virus testing and antibody testing to find out if they have been infected.
▼6.4 A 17-year-old female resident of Shengyu Pavilion, Tianshengyuan, was infected with the disease▼
Xu Shuchang: Need to inoculate bacteria for live virus
Xu Shuchang said that there is not much information currently known, but it is more likely that the girl has contaminated the food packaging, such as having coughed or sneezed, rather than the virus infecting the girl through the food packaging.
He believes that it is necessary to inoculate bacteria at present to study whether the virus on the surface of the package is a live virus to know whether it is infectious; in addition, genetic sequencing should also be done to understand whether the virus is a British variant virus (Alpha) and whether it is genetically similar to that of a girl’s family. .
Respiratory specialist Liang Zi said that the government should further investigate the supply chain of the frozen crocodile meat to investigate whether it might be contaminated.
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Liang Zichao: There is a higher chance of contamination of packaging by people
Liang Zichao said that it is currently impossible to tell whether it is a girl who contaminated food packaging or a girl who was infected by a virus from food packaging. However, in the global confirmed cases, there are no cases of imported food infecting consumers. Generally, the cold chain is infected first. The staff, because the staff will be in contact with imported goods for a long time.
He believes that all three people in the patient’s home are infected, and there is a higher chance that food packaging will be contaminated by humans.
He believes that the government should further investigate the supply chain of frozen crocodile meat, including the local production process, the process of supply to Hong Kong and the processing procedures in Hong Kong, to study whether it may be contaminated in the process; and to inspect the same batch of frozen crocodile meat for viruses; and Perform virus testing and antibody testing for workers in the supply chain to find out if they have been infected.
▼6.4 Detection of the closed area of Shengyu Pavilion of Tianshengyuan▼
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Promote the inspection of other foods and items in the refrigerator
Liang Zichao continued that the new coronavirus can survive for a month below 4 degrees Celsius, during which time the virus is contagious, and even if the virus is dead, it will remain for several months.
He believes that the government can try to inoculate bacteria to find out whether the virus is still alive, but even if the bacteria cannot be planted now, it does not mean that the virus was not alive a month ago; the government should also do genetic sequencing and study whether the virus is a British variant virus on the package. Alpha.
He also suggested that the government also inspect other food and items in the refrigerator in the girl's home to avoid "isolating the bag and contaminating the crocodile meat" and to trace the real source of pollution.
He reminded members of the public to remove and dispose of the packaging carefully after buying refrigerated food. It is best to replace the outer packaging and wrap the food with plastic wrap to avoid contamination of other foods. They should wash their hands frequently and cook the food before eating.
The Centre for Health Protection collected more than 60 environmental samples yesterday, including the patient’s home in Tin Shui Wai, the pet shop where the patient had stayed, Little Boss, and the Tuen Mun Tak Wing Industrial Building tutorial school. Only one sample was positive, and the positive sample was at home A frozen crocodile meat packaging surface in the refrigerator compartment. The food origin is Thailand.
A total of 3 samples were taken from the refrigerator compartment in the patient's home.
▼The girl's sister who is infected with the mutant virus is recruited, and her whereabouts are at a glance▼
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Variant virus | The surface sample of the frozen crocodile meat package in the refrigerator in the home of the young girl in Tian Shui Wai tested positive
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