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Papers of the Week


2022 Feb 25


Clin Infect Dis

Measurement of SARS-CoV-2 antigens in plasma of pediatric patients with acute COVID-19 or MIS-C using an ultrasensitive and quantitative immunoassay.

Authors

Sigal GB, Novak T, Mathew A, Chou J, Zhang Y, Manjula N, Bathala P, Joe J, Padmanabhan N, Romero D, Allegri-Machado G, Joerger J, Loftis LL, Schwartz SP, Walker TC, Fitzgerald JC, Tarquinio KM, Zinter MS, Schuster JE, Halasa NB, et al.
Clin Infect Dis. 2022 Feb 25.
PMID: 35213684.

Abstract

Detection of SARS-CoV-2 antigens in blood has high sensitivity in adults with acute COVID-19, but sensitivity in pediatric patients is unclear. Recent data suggest that persistent SARS-CoV-2 spike antigenemia may contribute to multisystem inflammatory syndrome in children (MIS-C). We quantified SARS-CoV-2 nucleocapsid (N) and spike (S) antigens in blood of pediatric patients with either acute COVID-19 or MIS-C using ultrasensitive immunoassays (Meso Scale Discovery).