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. 2021 Jan 7;35(2):485–493. doi: 10.1038/s41375-020-01107-y

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© The Author(s), under exclusive licence to Springer Nature Limited 2021

This article is made available via the PMC Open Access Subset for unrestricted research re-use and secondary analysis in any form or by any means with acknowledgement of the original source. These permissions are granted for the duration of the World Health Organization (WHO) declaration of COVID-19 as a global pandemic.

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Fig. 1 — Kaplan Meier estimates for the overall survival (A), stratified by Country (B). P-values are calculated by log-rank test. CI confidence interval.