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. 2020 Nov 6;42(5):619–634. doi: 10.1007/s00281-020-00821-0

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© The Author(s) 2020

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 5 — Ongoing clinical trials of COVID-19 vaccines specifically including the elderly population. Schematic representation of clinical studies specifically including older people in the selection criteria of volunteers. The platform used for each clinical trial is shown on the left. The identifier number of the clinical trial and the number of volunteers included (in brackets) are reported on the right. Bars represent the partition of volunteers according to the age range. Data are updated to 8th July 2020