On December 3, Chongqing held a press conference on the prevention and control of the new coronavirus pneumonia epidemic (Session 157). At the press conference, Luo Fei, chief physician of the Municipal Center for Disease Control and Prevention, introduced the pathogenicity of Omickron variant , the feasibility of home isolation for close contacts, and health management measures.
Luo Fei said that international and domestic monitoring data confirmed that the pathogenicity and virility of the Omickron variant and its evolutionary branches BA.1, BA.2, BA.5 series, including BF.7, BQ.1 and recombinant XBB are significantly weakened compared with the original strain and mutant strains such as Delta . In layman's terms, the current epidemic of new coronavirus is significantly less pathogenic than the viruses that were prevalent last year and the previous year, and the symptoms that appear less after infection in normal healthy people.
Foreign studies have shown that the proportion of severe illness and death caused by Omickron mutant strains is significantly lower than that of the original strain and the previous mutant strains. This is not only the characteristic of the Omickron mutant strain, but also may be related to factors such as the increase in the immunity level of vaccination in the population and timely intervention and treatment. my country's severe COVID-19 and its associated deaths are at a low level, which is related to our active prevention strategies and overall high-quality treatment forces. However, if people with underlying diseases, seniors and unvaccinated people are infected with the Omickron mutation, they may still experience a certain proportion of severe diseases. However, the existing vaccine still has good effect on reducing severe illness and death caused by infection with the Omickron mutant strain.
Regarding close contacts, in the ninth edition of the prevention and control plan, in principle, centralized medical observation is required, but special groups of close contacts who cannot undergo centralized medical observation after being evaluated by professionals, such as children aged 14 and under, pregnant women, semi-self-care, lack of self-care ability, and people with serious underlying diseases. When the places where these special groups live and meet the corresponding necessary conditions, medical observation can be carried out at home isolation.
In principle, medical observation of home isolation requires living alone. If conditions do not allow, choose a room with better ventilation as the isolation room to maintain relatively independent. Place tables, stools, etc. outside the isolation room as the junction of contactless transfer items. Try to limit the daily life and dining of people who are not living alone in home quarantine rooms to reduce contact with people living together. All personnel will conduct temperature measurements and self-health monitoring every morning and evening, and report the monitoring results to the community in a timely and proactive manner.
is not allowed to go out during medical observation and all visits are refused. Keep ventilation in the room, put used tissues, masks, disposable gloves and other domestic waste into plastic bags, disinfect and seal them, and place them in a special trash can. Keep mobile phones and other communications open during quarantine and keep in touch with the community at any time. People who need care for elderly, young, sick, disabled, etc. must identify the co-residents or emergency contact persons. Co-residents or accompanying personnel must comply with the management requirements of home isolation medical observation
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