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. 2019 Feb 11;10:97. doi: 10.3389/fmicb.2019.00097

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Copyright © 2019 Reis, Guimarães, Bello and Stefani.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Map of Brazil highlighting our study area. The pie-charts depict the frequency of HIV-1 subtypes of 828 patients living in six states located in three geographic regions, Central Western: Goiás/GO, Mato Grosso/MT, Mato Grosso do Sul/MS; Northern: Tocantins/TO; and Northeastern: Maranhão/MA, Piauí/PI. The number of pol sequences analyzed is depicted below each pie chart.