Two London care homes experienced a second COVID-19 outbreak, with 29/209 (13.9%) SARS-CoV-2 RT-PCR-positive cases (16/103 residents, 13/106 staff). In those with prior SARS-CoV-2 exposure, 1/88 (1.1%) individuals (antibody positive: 87; RT-PCR-positive: 1) became PCR-positive compared with 22/73 (30.1%) with confirmed seronegative status. After four months protection offered by prior infection against re-infection was 96.2% (95% confidence interval (CI): 72.7–99.5%) using risk ratios from comparison of proportions and 96.1% (95% CI: 78.8–99.3%) using a penalised logistic regression model.
All Keywords
【저자키워드】 care homes, COVID-19 outbreak, 【초록키워드】 SARS-CoV-2, antibody, Infection, Re-infection, London, Care, seronegative, risk ratio, 95% confidence interval, individual, logistic regression model, PCR-positive, proportion, offered, 【제목키워드】 SARS-CoV-2, outbreak, Re-infection, Care, PROTECT,
【저자키워드】 care homes, COVID-19 outbreak, 【초록키워드】 SARS-CoV-2, antibody, Infection, Re-infection, London, Care, seronegative, risk ratio, 95% confidence interval, individual, logistic regression model, PCR-positive, proportion, offered, 【제목키워드】 SARS-CoV-2, outbreak, Re-infection, Care, PROTECT,
런던 요양원 2곳에서 29/209(13.9%) SARS-CoV-2 RT-PCR 양성 사례(16/103 거주자, 13/106 직원)와 함께 두 번째 COVID-19 발병이 발생했습니다. 이전에 SARS-CoV-2에 노출된 사람들에서 1/88(1.1%)명의 개인(항체 양성: 87, RT-PCR-양성: 1)이 PCR 양성이 되었으며, 이에 비해 확인된 혈청 음성 상태는 22/73(30.1%)이었습니다. . 4개월 후 재감염에 대한 이전 감염의 보호는 비율 비교에서 얻은 위험 비율을 사용하여 96.2%(95% 신뢰 구간(CI): 72.7-99.5%)이고 96.1%(95% CI: 78.8-99.3%)를 사용 벌점 로지스틱 회귀 모델.