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    Home > Medical News > Medical World News > How are high and low risk areas delineated? The joint prevention and control mechanism of the State Council clarifies standards

    How are high and low risk areas delineated? The joint prevention and control mechanism of the State Council clarifies standards

    • Last Update: 2023-01-05
    • Source: Internet
    • Author: User
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    The Health Bureau of the Macao SAR Government said on the 21st that the BioNTech bivalent mRNA vaccine and the new crown vaccine dosage form for young children are expected to arrive in Macao
    within this month.
    According to reports, in response to the epidemic caused by the new coronavirus Omicron variant, the Macao SAR government has purchased the BioNTech bivalent mRNA vaccine, which according to the data, is temporarily approved for booster doses
    for people aged 12 or above.
    In addition, the HKSAR Government has also purchased BioNTech mRNA vaccine dosage forms for children aged 6 months to 4 years, which contain the same ingredients as adult dosage forms, but at lower
    doses.
    According to the latest notice from suppliers, the above two new coronavirus vaccines are expected to arrive in Macao within this month, and the Health Bureau will arrange vaccination for the public upon arrival
    .
    Macao new coronavirus infection response coordination According to the website of the National Health Commission on the 21st, the comprehensive group of the joint prevention and control mechanism of the State Council to respond to the new coronavirus pneumonia epidemic issued a notice
    on the issuance of four documents including the "Implementation Measures for the Prevention and Control of the New Coronavirus Pneumonia Epidemic Nucleic Acid Testing".
    Among them, the "New Coronary Pneumonia Epidemic Risk Area Delineation and Control Plan" (hereinafter referred to as the "Plan") mentions that in the process of epidemic handling, if individual cases and asymptomatic infected persons have a low risk of transmission to their place of residence, work and activity area, close contacts have been controlled in time, and after research and judgment that there is no risk of community transmission, the risk area
    may not be delineated.
    The "Plan" points out that it is necessary to scientifically delineate risk areas, adhere to the principle of "prevention first, combination of prevention and treatment, scientific according to law, and graded classification", and realize the organic combination and rapid transformation
    of normalized and precise prevention and control and emergency response to the epidemic.
    Once a local epidemic occurs, it is necessary to accurately divide the county (city, district, banner) where the cases and asymptomatic infections are located into high-risk areas and low-risk areas as soon as possible, coordinate all forces, implement categorical management measures, timely and dynamically update risk levels and control measures according to the epidemic situation, and actively release
    them to the public 。 In the process of handling the epidemic, if the risk of transmission caused by individual cases and asymptomatic infected persons to their place of residence, work place and activity area is low, and close contacts have been controlled and controlled in a timely manner, and there is no risk of community transmission after research, the risk area may not be delineated; Counties (cities, districts, and banners) that do not have local epidemics should effectively implement normalized epidemic prevention and control measures, and there is no need to designate risk areas
    .
    Image source: Screenshot of the website of the National Health Commission Regarding the criteria for the delineation and removal of risk areas and prevention and control measures, the details are as follows: (1) High-risk areas
    .
    1.
    Classification criteria
    .
    In principle, areas such as the place of residence of infected persons, as well as workplaces and activities with frequent activities and a high risk of epidemic transmission, are classified as high-risk areas
    .
    High-risk areas are generally defined
    by units and buildings.
    In cases where the risk of transmission is unclear or there is widespread community transmission, the delineation
    of high-risk areas can be moderately expanded.
    The scope of the risk area can be dynamically adjusted
    according to the results of the flow survey.
    2.
    Prevention and control measures
    .
    Lockdown measures were implemented, during which "staying at home and providing door-to-door service"
    were implemented.
    If new infected persons are found during the lockdown period, the local joint prevention and control mechanism will organize and carry out risk research and judgment, and in accordance with the requirements of "one district, one policy", the original lockdown area can be extended in whole or in part for the lockdown time
    .
    3.
    Removal of criteria
    .
    No new infections were found in the high-risk area for 5 consecutive days, and all personnel in the risk area completed a round of nucleic acid screening on the 5th day, which was reduced to a low-risk area
    .
    High-risk areas that meet the conditions for unblocking should be unblocked
    in a timely manner.
    (2) Low-risk areas
    .
    Other areas of the county (city, district, banner) where the high-risk area is located are designated as low-risk areas
    .
    Implement "personal protection and avoid gathering", and leave the city with a negative nucleic acid test certificate
    within 48 hours.
    After all high-risk areas are lifted, counties (cities, districts, and banners) will implement normalized prevention and control measures
    .
    In addition, the Plan also mentions that confirmed cases and asymptomatic infections with the following circumstances are not included in the determination
    of risk areas.
    1.
    Confirmed cases and asymptomatic infections found during centralized isolation medical observation shall be assessed by investigation as having no risk
    of transmission outside the centralized isolation point.
    2.
    Confirmed cases and asymptomatic infections found during home isolation medical observation are assessed as not at risk
    of transmission outside the home after investigation.
    3.
    Confirmed cases and asymptomatic infections found during the strict closed-loop management of employees in high-risk positions shall be assessed as having no risk
    of transmission from people outside the closed loop after investigation.
    4.
    Persons with positive nucleic acid test after discharge (cabin) shall be assessed as having no risk of
    transmission after investigation.
    5.
    The nucleic acid test Ct value is ≥ 35, and the imported persons
    have been screened as previously infected persons.
    The Center announced on the 21st that Macao added one new imported associated case found in the control on the same day, a 58-year-old female Mainland resident, who is a family
    member of a confirmed imported new coronavirus case (60-year-old mainland traveler) announced recently.
    The Response Coordination Centre announced that all persons entering Macao from the Mainland are required to undergo a nucleic acid test
    in Macao the day after entry.
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