Caption: In the US, vaccination programs have almost eradicated diphtheria, polio, and measles. Data source: U.S. Bureau of the Census.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 24.90 MB

Caption: Cartoon of sick boy with thermometer in mouth
Artist: Paul Gilligan
Release: Not Applicable
File Size: 50.33 MB

Caption: Boy getting painful injection
Artist: ImageZoo
Release: Not Applicable
File Size: 61.43 MB