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10.1016/j.jcv.2020.104589

http://scihub22266oqcxt.onion/10.1016/j.jcv.2020.104589
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32810840!7417972!32810840
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suck abstract from ncbi


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pmid32810840      J+Clin+Virol 2020 ; 131 (ä): 104589
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  • Performance evaluation of serological assays to determine the immunoglobulin status in SARS-CoV-2 infected patients #MMPMID32810840
  • Wechselberger C; Sussner S; Doppler S; Bernhard D
  • J Clin Virol 2020[Oct]; 131 (ä): 104589 PMID32810840show ga
  • BACKGROUND: Serological assays for the determination of the immune status of patients that have tested positive for infection with SARS-CoV-2 by RT-PCR are required for, e.g., contact tracing and epidemiological studies. However, data concerning the performance parameters of commercially available high-throughput ELISA tests are still not available on a large scale. STUDY DESIGN: In our study, we have evaluated an in-house developed ELISA for the detection of the immunoglobulin classes A, G and M directed against the full-length spike glycoprotein from SARS-CoV-2. For this analysis, we have included 110 sera from patients presenting with COVID-19 symptoms or blood donors without symptoms collected at the Austrian Red Cross, Blood Transfusion Service for Upper Austria, Linz. In addition, we have selected four commercially available IgG-based ELISAs as well as one IgA/IgG-based ELISA for the detection of SARS-CoV-2 antigens as well as a multiplexed IgG-based micro-ELISA assay developed for rapid Point of Care testing applications. CONCLUSIONS: All assays evaluated in the course of this study demonstrated suitable sensitivity and specificity values for the identification of patients that have experienced a past infection with SARS-CoV-2. However, testing for the presence of additional immunoglobulins (IgA and IgM) as well as using combinations of different viral antigens is highly advised to improve the predictive values of serological assays.
  • |*Enzyme-Linked Immunosorbent Assay[MESH]
  • |*Serologic Tests[MESH]
  • |Adult[MESH]
  • |Antibodies, Viral/*blood[MESH]
  • |Betacoronavirus[MESH]
  • |COVID-19[MESH]
  • |COVID-19 Testing[MESH]
  • |Clinical Laboratory Techniques[MESH]
  • |Coronavirus Infections/*diagnosis/immunology[MESH]
  • |Female[MESH]
  • |Humans[MESH]
  • |Immunoglobulin G/blood[MESH]
  • |Male[MESH]
  • |Middle Aged[MESH]
  • |Pandemics[MESH]
  • |Pneumonia, Viral/*diagnosis/immunology[MESH]
  • |SARS-CoV-2[MESH]


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