This map portrays the area discussed in the study, showing the county's proximity, specifically the city Brownsville's proximity, to the suspected origin of the outbreak, La Gloria, Veracruz.
This article and the research therein may be useful in understanding the nature of S-OIV outbreaks in space and time, ultimately informing real-time intervention and control such that outbreak impacts are minimized.
Wilson, J. G., Ballou, J., Yan, C., Fisher-Hoch, S. P., Reininger, B., Gay, J., ... & Lopez, L. (2010). Utilizing spatiotemporal analysis of influenza-like illness and rapid tests to focus swine-origin influenza virus intervention. Health & place, 16(6), 1230-1239.