期刊
EMERGING INFECTIOUS DISEASES
卷 27, 期 1, 页码 85-91出版社
CENTERS DISEASE CONTROL & PREVENTION
DOI: 10.3201/eid2701.203074
关键词
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资金
- UK Department for International Development/Wellcome Trust Epidemic Preparedness coronavirus grant [220764/Z/20/Z]
- Rosetrees Trust
- John Black Charitable Foundation [M959]
- Medical Research Council, UK [MR/P019978/2]
- Wellcome Trust Institutional Strategic Support Fund [204809/Z/16/Z]
- Austrian Science Fund (FWF) [M959] Funding Source: Austrian Science Fund (FWF)
- Wellcome Trust [220764/Z/20/Z] Funding Source: Wellcome Trust
- MRC [MR/P019978/1, MR/P019978/2] Funding Source: UKRI
The study showed that in SARS-CoV-2 infection, 2.0%-8.5% of individuals did not seroconvert 3-6 weeks after infection. Those who did seroconvert were typically older, more likely to have concurrent conditions, and had higher levels of inflammatory markers. Non-White individuals had higher antibody concentrations compared to White individuals, and these concentrations remained stable during follow-up.
We investigated the dynamics of seroconversion in severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. During March 29-May 22, 2020, we collected serum samples and associated clinical data from 177 persons in London, UK, who had SARS-CoV-2 infection. We measured IgG against SARS-CoV-2 and compared antibody levels with patient outcomes, demographic information, and laboratory characteristics. We found that 2.0%-8.5% of persons did not seroconvert 3-6 weeks after infection. Persons who seroconverted were older, were more likely to have concurrent conditions, and had higher levels of inflammatory markers. Non-White persons had higher antibody concentrations than those who identified as White; these concentrations did not decline during follow-up. Serologic assay results correlated with disease outcome, race, and other risk factors for severe SARS-CoV-2 infection. Serologic assays can be used in surveillance to clarify the duration and protective nature of humoral responses to SARS-CoV-2 infection.
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