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[Preprint]. 2020 Dec 15:rs.3.rs-56028. Originally published 2020 Aug 18. [Version 2] doi: 10.21203/rs.3.rs-56028/v2

Figure 2.

Figure 2

Limit of detection of SARs-CoV-2 viral particles across swab types (Synthetic rayon ‘SYN’, CGp, and TMI). “Noswab” refers to direct extraction of viral particles. a) Comparisons of total RNA recovery per extraction across swab types including ‘noswab’ performed at each dilution (Kruskal Wallis test). Comparison of (theory input Genome Equivalents ‘GE’) to measured GE of triplicates (mean, SEM) by RTqPCR of SARs-CoV-2. Non-linear regression analysis of each dilution series for noswab, SYN, CGp, and TMI swabs.