Artist unknown, "The cowpox afflicted hand of Sarah Nelmes" (1798), hand-colored engraving on paper, 244 x 207 mm (all images courtesy the Posner Memorial Collection, Carnegie Mellon University ...
Public health icon D.A. Henderson stands over a display case that, in his estimation, holds one of the greatest innovations of the past 100 years—the bifurcated needle. Quite frankly, it doesn't look ...
Smallpox is considered one of the greatest epidemic disease scourges in human history. Smallpox has been feared for centuries due to its deadly nature, high transmissibility, and lifelong ...
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