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. 2020 Sep 9;260:118400. doi: 10.1016/j.lfs.2020.118400

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© 2020 Published by Elsevier Inc.

Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.

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Fig. 2 — Immune cell blood frequencies in COVID-19 patients.

Percentages of CD4⁺ of CD3⁺ T cells (A), CD8⁺ of CD3+ T cells (B), CD14⁺ HLA-DR⁺ monocytes (C), Tregs (D) and NK cells (E) upon admission in patients exhibiting a pericardial effusion (PE) versus patients without PE (no PE).