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10.1038/s41467-021-22351-5

http://scihub22266oqcxt.onion/10.1038/s41467-021-22351-5
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33837204!8035181!33837204
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suck abstract from ncbi


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pmid33837204      Nat+Commun 2021 ; 12 (1): 2117
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  • Seroprevalence and correlates of SARS-CoV-2 neutralizing antibodies from a population-based study in Bonn, Germany #MMPMID33837204
  • Aziz NA; Corman VM; Echterhoff AKC; Muller MA; Richter A; Schmandke A; Schmidt ML; Schmidt TH; de Vries FM; Drosten C; Breteler MMB
  • Nat Commun 2021[Apr]; 12 (1): 2117 PMID33837204show ga
  • To estimate the seroprevalence and temporal course of SARS-CoV-2 neutralizing antibodies, we embedded a multi-tiered seroprevalence survey within an ongoing community-based cohort study in Bonn, Germany. We first assessed anti-SARS-CoV-2 immunoglobulin G levels with an immunoassay, followed by confirmatory testing of borderline and positive test results with a recombinant spike-based immunofluorescence assay and a plaque reduction neutralization test (PRNT). Those with a borderline or positive immunoassay result were retested after 4 to 5 months. At baseline, 4771 persons participated (88% response rate). Between April 24(th) and June 30(th), 2020, seroprevalence was 0.97% (95% CI: 0.72-1.30) by immunoassay and 0.36% (95% CI: 0.21-0.61) when considering only those with two additional positive confirmatory tests. Importantly, about 20% of PRNT+ individuals lost their neutralizing antibodies within five months. Here, we show that neutralizing antibodies are detectable in only one third of those with a positive immunoassay result, and wane relatively quickly.
  • |Adult[MESH]
  • |Aged[MESH]
  • |Aged, 80 and over[MESH]
  • |Antibodies, Neutralizing/*immunology[MESH]
  • |Antibodies, Viral/*immunology[MESH]
  • |COVID-19/*diagnosis/prevention & control/virology[MESH]
  • |Cohort Studies[MESH]
  • |Female[MESH]
  • |Germany[MESH]
  • |Humans[MESH]
  • |Immunoassay/methods[MESH]
  • |Immunoglobulin G/*immunology[MESH]
  • |Male[MESH]
  • |Middle Aged[MESH]
  • |Neutralization Tests/methods[MESH]
  • |Population Surveillance/methods[MESH]
  • |SARS-CoV-2/*immunology/physiology[MESH]


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