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Corona 19 secondary antibody levels have been found, which can be used to estimate how many asymptomatic infections cause silent transmission.
The first survey released in July did not include some areas like Daegu and Daejeon, so this survey is actually the first nationwide survey. Only 1 in 1,440 people tested showed antibodies.
Reporter Yeojin Lee reports what it means.
[기자]As a result of testing 1,440 general public for COVID-19 antibodies between June 10 and August 13 by quarantine authorities, only neutralizing antibodies were found in one person.
[정은경 / 중앙방역대책본부장 : 그 1명 항체가 조사에서 양성 나온 사람은 서울지역에서 검사하신 분이 1건 양성으로 확인됐다는 말씀드리겠고요.]The rate of antibody formation was 0.07%.
In the first survey of 3.55 people above, only one antibody was identified and the rate of antibody formation was only 0.03%.
Compared to 24.7% in New York in the US, 17% in London in the UK and 5% in the whole of Spain, it is reconfirmed that there are not many asymptomatic infections in our community.
[정은경 / 중앙방역대책본부장 : 해외 사례에 비해 양성률이 낮은 것은 6월부터 8월 초까지의 국내 확진자가 적었던 것의 영향으로, 이는 국민이 자발적인 사회적 거리두기를 적극 참여하시고 생활방역을 위해 노력한 결과가 나타난 것으로….]However, it is noted that this survey was conducted before the 14th of last month when the collective infection began in earnest in the metropolitan area, and that the current situation is not adequately reflected.
[정은경 / 중앙방역대책본부장 : 전문가 자문회의 결과, 2차분 조사 결과는 검체의 수집 시기가 8월 14일 이전이므로 8월 중순 이후에 현재의 유행 상황을 설명하기에는 제한적이라는 지적이….]Quarantine authorities will continue to investigate antibodies using samples from the National Health and Nutrition Survey every two months.
Furthermore, considering the size of the current infection rate in Korea, the number of tests is small to find the actual asymptomatic infection rate, and it was decided to increase the number of test samples by conducting an investigation of 10,000 enlisted soldiers in the army and 10,000 representatives from the region.
This is YTN Lee Yeo-jin.
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