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. 2024 Jan 6;25(2):747. doi: 10.3390/ijms25020747

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© 2024 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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Overview of RSV trials conducted to date. (A) The number of clinical studies published on RSV (including reanalyses of participant data or samples) separated into randomised controlled trials (RCTs) and non-RCTs conducted each year since 2004. The graph also shows the cumulative number of participants that took RSV within these studies. (B) Geographical spread of all RSV clinical trials, showing the number of unique trials (excluding subsequent studies/reanalyses on the same trial population) performed in each country. Data presented were extracted from all the references cited in Table 1 and Table S1.