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. 2022 Apr 15;14(4):819. doi: 10.3390/v14040819

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© 2022 by the authors.

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/).

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Figure A2 — FACS analysis of isotype controls for PD-L1- PE, CD62L-PE, TIM-3-BB515 and CD86-APC. (a) Isotype control. (b) Representative histograms with PD-L1, CD62L, TIM-3 and CD86 expression in COVID-19 patients.