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10.1093/infdis/jiaa467

http://scihub22266oqcxt.onion/10.1093/infdis/jiaa467
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32761124!7454699!32761124
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suck abstract from ncbi


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pmid32761124      J+Infect+Dis 2020 ; 222 (8): 1280-1288
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  • Evaluation of Serological Tests for SARS-CoV-2: Implications for Serology Testing in a Low-Prevalence Setting #MMPMID32761124
  • Bond K; Nicholson S; Lim SM; Karapanagiotidis T; Williams E; Johnson D; Hoang T; Sia C; Purcell D; Mordant F; Lewin SR; Catton M; Subbarao K; Howden BP; Williamson DA
  • J Infect Dis 2020[Sep]; 222 (8): 1280-1288 PMID32761124show ga
  • BACKGROUND: Robust serological assays are essential for long-term control of the COVID-19 pandemic. Many recently released point-of-care (PoCT) serological assays have been distributed with little premarket validation. METHODS: Performance characteristics for 5 PoCT lateral flow devices approved for use in Australia were compared to a commercial enzyme immunoassay (ELISA) and a recently described novel surrogate virus neutralization test (sVNT). RESULTS: Sensitivities for PoCT ranged from 51.8% (95% confidence interval [CI], 43.1%-60.4%) to 67.9% (95% CI, 59.4%-75.6%), and specificities from 95.6% (95% CI, 89.2%-98.8%) to 100.0% (95% CI, 96.1%-100.0%). ELISA sensitivity for IgA or IgG detection was 67.9% (95% CI, 59.4%-75.6%), increasing to 93.8% (95% CI, 85.0%-98.3%) for samples >14 days post symptom onset. sVNT sensitivity was 60.9% (95% CI, 53.2%-68.4%), rising to 91.2% (95% CI, 81.8%-96.7%) for samples >14 days post symptom onset, with specificity 94.4% (95% CI, 89.2%-97.5%). CONCLUSIONS: Performance characteristics for COVID-19 serological assays were generally lower than those reported by manufacturers. Timing of specimen collection relative to onset of illness or infection is crucial in reporting of performance characteristics for COVID-19 serological assays. The optimal algorithm for implementing serological testing for COVID-19 remains to be determined, particularly in low-prevalence settings.
  • |Algorithms[MESH]
  • |Antibodies, Viral/blood[MESH]
  • |Australia/epidemiology[MESH]
  • |Betacoronavirus/isolation & purification[MESH]
  • |COVID-19[MESH]
  • |COVID-19 Testing[MESH]
  • |Clinical Laboratory Techniques[MESH]
  • |Coronavirus Infections/*blood/diagnosis/epidemiology[MESH]
  • |Enzyme-Linked Immunosorbent Assay[MESH]
  • |Humans[MESH]
  • |Immunoglobulin A/blood[MESH]
  • |Immunoglobulin G/blood[MESH]
  • |Neutralization Tests/methods[MESH]
  • |Pandemics[MESH]
  • |Pneumonia, Viral/*blood/diagnosis/epidemiology[MESH]
  • |Prevalence[MESH]
  • |Reverse Transcriptase Polymerase Chain Reaction/methods[MESH]
  • |SARS-CoV-2[MESH]


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