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. 2015 May 20;10(5):e0127406. doi: 10.1371/journal.pone.0127406

Fig 7. Global view of HealthMap data for Neisseria meningitidis alerts from 2010 to 2013.

Fig 7

Multiple alerts globally including Neisseria meningococcus activity near the northern border of the US with Canada (cities in British Columbia and Ontario). Marker color (light orange to darker red) indicates increasing newsworthiness. Smaller marker size reflects local alert for city, state, or province while larger marker size reflects a country-level alert. Of the eight cases captured by HealthMap in Canada between 2010 to 2013, the bordering cities reported one case in a student in Western Ontario (2010), one death in a student in Hamilton (2010), and one death in a student in Vancouver Island (2012). HealthMap disease activity across borders could contribute to understanding disease transmission and subsequent outbreaks.