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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
SARS-CoV-2 NT Abs (A) and T-cell response (B) against reference SARS-CoV-2 strain (PV10734 G614 European strain) and delta variant (B.1.167.2) were tested in 19 naïve and 7 recovered (rec) SOTRs. Median level is shown for each response.