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. 2019 Feb 26;7:31. doi: 10.1186/s40168-019-0620-y

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© The Author(s). 2019

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 2 — NIH human microbiome grant awards by award type, FY2012–2016. a Depicts the sum of all NIH microbiome grants over fiscal years 2012–2016, which totaled $728M. These awards were subdivided into the four award categories of individual investigator-initiated, center, training, and meeting grants. b Depicts annual trends in the number of individual investigator-initiated awards versus awards for all of the other award categories combined