CSV file extracted and cleaned from source excel.

Click on Graph button under Preview and plot date (x-axis) against price (y-axis) to see a line graph. Hovering over a point gives you the value of that data entry.

You can see this data plotted on a map, by clicking on 'Map' below. Individual data records can be seen by clicking on each point.

Source: "Near elimination of varicella deaths in the US after implementation of the vaccination program." published in the American Journal of Pediatrics in August 2011.

Source: Centers for Disease Control and Prevention in Atlanta, Georgia. “Varicella Mortality: Trends before Vaccine Licensure in the United States, 1970–1994” published August 2000 in the Journal of Infectious Diseases.