Author: Waghmare, Alpana; Krantz, Elizabeth M.; Baral, Subhasish; Vasquez, Emma; Loeffelholz, Tillie; Chung, E. Lisa; Pandey, Urvashi; Kuypers, Jane; Duke, Elizabeth R; Jerome, Keith R.; Greninger, Alexander L.; Reeves, Daniel B.; Hladik, Florian; Cardozo-Ojeda, E. Fabian; Boeckh, Michael; Schiffer, Joshua T.
Title: Reliability of self-sampling for accurate assessment of respiratory virus viral and immunologic kinetics Cord-id: 89s17ytr Document date: 2020_4_6
ID: 89s17ytr
Snippet: The SARS-CoV-2 pandemic demonstrates the need for accurate and convenient approaches to diagnose and therapeutically monitor respiratory viral infections. We demonstrated that self-sampling with foam swabs is well-tolerated and provides quantitative viral output concordant with flocked swabs. Using longitudinal home-based self-sampling, we demonstrate nasal cytokine levels correlate and cluster according to immune cell of origin. Periods of stable viral loads are followed by rapid elimination, w
Document: The SARS-CoV-2 pandemic demonstrates the need for accurate and convenient approaches to diagnose and therapeutically monitor respiratory viral infections. We demonstrated that self-sampling with foam swabs is well-tolerated and provides quantitative viral output concordant with flocked swabs. Using longitudinal home-based self-sampling, we demonstrate nasal cytokine levels correlate and cluster according to immune cell of origin. Periods of stable viral loads are followed by rapid elimination, which could be coupled with cytokine expansion and contraction using mathematical models. Nasal foam swab self-sampling at home provides a precise, mechanistic readout of respiratory virus shedding and local immune responses.
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