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Scatterplot of confirmed measles cases that reported exposure to a healthcare facility 1–60 days before rash onset—Mongolia, March 1–September 30, 2015 (N = 496). Each filled circle represents 1 case with healthcare exposure that occurred 7–21 days before rash (measles incubation period) onset (67% of total). Open circles represent cases with healthcare exposure 1–6 or 22–60 days before rash onset (33% of total).
