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. 2015 Aug 7;14:306. doi: 10.1186/s12936-015-0817-x

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© Gómez-Pérez et al. 2015

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 — Kaplan–Meier plot of time to infection. OM optic microscopy; group 1: 2,500 PfSPZ in 10 μL × 2 IM; group 2: 2,500 PfSPZ in 50 μL × 2 IM. Group 3: 2,500 PfSPZ in 250 μL × 2 IM; group 4: 3,200 PfSPZ in 500 μL × 1 DVI; group 5: 25,000 PfSPZ in 10 μL × 2 IM; group 6: 75,000 PfSPZ in 10 μL × 2 IM; PfSPZ P. falciparum sporozoites, IM intramuscular injection, DVI direct venous inoculation.