Guangzhou added 1 new case of Aomi Kerong-related case, and was isolated at home for two days to infect residents in the same building

Health Times reporter Wang Aibing

On December 16, the Guangzhou Health Commission released the news that in the key personnel testing of the imported confirmed cases abroad with reference to the management of close contacts, a related case was found, which was the same building as the residence of the confirmed case imported from abroad on December 13, and the whole genome sequencing and sequence analysis results of the new coronavirus on December 13 showed that the new coronavirus infected by it was an Ami Kerong variant.

According to previous news, the above-mentioned imported cases lived in a certain village in a street in Yuexiu District, and were confirmed on December 13. He entered from abroad on November 27 and tested negative for several times during the centralized quarantine. On December 11, after lifting the isolation, he flew back to Guangzhou, closed-loop transfer to his home in Yuexiu District for home isolation; on the 12th, a street community health service center routinely collected nucleic acid samples for him, and on the 13th, the nucleic acid results were positive, and he was transferred to the Eighth Affiliated City Hospital of Guangzhou Medical University for isolation and treatment in a closed loop.

The reporter noted that in the whole process, the above-mentioned cases were only 2 days at home, that is, the time of these 2 days, and the residents of the same building were infected.

"At present, the residents of the whole community cannot come out, and the relevant areas have also been eliminated according to the regulations, and we must use the safest and most effective way to deal with this matter." A staff member of a neighborhood committee in a certain street in Yuexiu District told reporters.

Why is the whole closed-loop management home isolation, and it still infects residents on the same floor? An infectious disease expert, who did not want to be named, said that the transmission during the two-day isolation at home must be a problem in some link, and the specific link also needs the relevant departments to publish the results of the investigation.

"We are concerned that a positive sample was detected in the environment where the case of Aomi Kerong, which was previously imported from abroad, which means that there is a virus in the environment where it is located, and the virus was detected in the case's residence, indicating that there are still a lot of viruses excreted." Li Tong, chief physician of the Department of Infectious Diseases of Beijing You'an Hospital, once explained that according to the news disclosed at the press conference on epidemic prevention and control in Guangzhou, a total of 132 environmental samples were collected for this case, 128 environmental samples tested negative, and 4 positive were found in the residence of the case.

Li Tong once said, "The virus is too contagious, it is difficult to find the exact loophole, from the existing information to speculate, if he may go out, into the corridor or elevator, it is possible to bring the virus into the air, such as the infected person in the elevator or corridor coughing and sneezing, there is an aerosol in the air for a short time, even if there is no direct contact, a short period of time someone passes, you can also be infected because of aerosol." In addition, the virus may also be transmitted through the environment, even if there is no contact between the two people, it may also be transmitted through garbage or other items; in addition, it may also be other people who have contact with the patient, after entering and leaving the patient's room, through clothes and items to bring the virus outside, resulting in people in the same building being infected. ”

Source: People's Daily health client

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