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. 2021 Jan 6;16(1):e0244937. doi: 10.1371/journal.pone.0244937

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© 2021 Stringari et al

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Fig 4 — Assessment of pre-pandemic Dengue positive samples (PPS): A) Pre-pandemic samples (n = 84 samples) were tested using Abbott’s Architect SARS-CoV-2 IgG CMIA, 42 samples were from the acute phase and another 42 paired samples from the convalescent phase. The red dotted line represents the cutoff point for the CMIA (S/CO = 1.4); B) SARS-CoV-2 IgG immunoreactivity index (S/CO) displayed by acute samples and convalescent samples from Dengue positive patients. No significant differences were observed.