tetano
Editor, Senior Moderator
Open Forum Infect Dis
. 2022 Jul 26;9(8)
fac349.
doi: 10.1093/ofid/ofac349. eCollection 2022 Aug.
Sensitivity of the Elecsys Nucleocapsid Assay for the Detection of Preceding SARS-CoV-2 Infections
Brian Grunau[SUP] 1 [/SUP], Janessa Tom[SUP] 2 [/SUP], Michael Asamoah-Boaheng[SUP] 3 [/SUP], Sheila F O'Brien[SUP] 4 [/SUP], Steven J Drews[SUP] 4 [/SUP], Sadaf Sediqi[SUP] 5 [/SUP], Pascal M Lavoie[SUP] 6 [/SUP], Vilte Barakauskas[SUP] 5 [/SUP], David M Goldfarb[SUP] 5 [/SUP]
Affiliations
Abstract
Nucleocapsid serological assay sensitivity to identify severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infections among vaccinees and for Omicron cases is unclear. In this prospective study, the Elecsys nucleocapsid assay was 89% sensitive in identifying SARS-CoV-2 infections 14-607 days pre-blood collection. Sensitivity was similar when comparing by vaccination status, and in Omicron (vs pre-Omicron) cases.
Keywords: COVID-19; SARS-CoV-2; antibodies; nucleocapsid; vaccine.
. 2022 Jul 26;9(8)
doi: 10.1093/ofid/ofac349. eCollection 2022 Aug.
Sensitivity of the Elecsys Nucleocapsid Assay for the Detection of Preceding SARS-CoV-2 Infections
Brian Grunau[SUP] 1 [/SUP], Janessa Tom[SUP] 2 [/SUP], Michael Asamoah-Boaheng[SUP] 3 [/SUP], Sheila F O'Brien[SUP] 4 [/SUP], Steven J Drews[SUP] 4 [/SUP], Sadaf Sediqi[SUP] 5 [/SUP], Pascal M Lavoie[SUP] 6 [/SUP], Vilte Barakauskas[SUP] 5 [/SUP], David M Goldfarb[SUP] 5 [/SUP]
Affiliations
- PMID: 35937649
- PMCID: PMC9350617
- DOI: 10.1093/ofid/ofac349
Abstract
Nucleocapsid serological assay sensitivity to identify severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infections among vaccinees and for Omicron cases is unclear. In this prospective study, the Elecsys nucleocapsid assay was 89% sensitive in identifying SARS-CoV-2 infections 14-607 days pre-blood collection. Sensitivity was similar when comparing by vaccination status, and in Omicron (vs pre-Omicron) cases.
Keywords: COVID-19; SARS-CoV-2; antibodies; nucleocapsid; vaccine.