**Acknowledgements**

We thank Sara Bickersmith, New York State Department of Health, Albany, NY, USA and Catharine Prussing, Department of Biomedical Sciences, State University of New York-Albany, NY, USA for creating the maps. Financial support was provided by US National Institutes of Health (NIH) NIH grant R01 AI110112 to JEC and ICEMR grant U19 AI089681 to J.M. Vinetz, COLCIENCIAS Colombia (Project code No. 596-2013) and Estrategia para la Sostenibilidad de Grupos de Investigación 2016–2107, Universidad de Antioquia, code No. ES84160123 to MMC, and FAPESP Grant no. 2014/26229-7 to MAMS. MEG thanks the Council for International Exchange of Scholars (US Department of State) for a Fulbright Scholar Fellowship to visit the Wadsworth Center, NYS Department of Health, Albany, NY, USA.
