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. 2021 Mar 4;20:129. doi: 10.1186/s12936-021-03660-y

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© The Author(s) 2021

Open AccessThis 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/. 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 in a credit line to the data.

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Fig. 2 — Principal component analysis. a Principal component axis1 and axis2 identified Southeast Asian from African P. falciparum population. b Principal component axis1 and axis3 identified Ethiopian, Southeast Asian and other East African P. falciparum populations. c Principal Component axis2 and axis3 identified Ethiopian P. falciparum population from Southeast Asian and African P. falciparum population. d Percent of variance explained by each principal component axis. PC1 explained 16.7%, PC2 explained 3.7% and PC3 explained 3.4% of the variance in the data. Pop stands for the P. falciparum country of origin