These are some sources for examples of data visualization used in healthcare:
• The Agency for Healthcare Research and Quality:
• Visualizing Health, from the Robert Wood Johnson Foundation and the University of Michigan Center for Health Communications Research: http://www.vizhealth.org/gallery/;
• The Institute for Health Metrics and Evaluation at the University of Washington School of Medicine: https://bit.ly/1ZSOX7N;
• The National Center for Health Statistics at the Centers for Disease Control and Prevention: https://bit.ly/2XYX1tV.