• Research Scientist and Clinical Professor of Medicine, Alpert Medical School of Brown University, Brown University
In this April 14, 1947 file photo, a long line winds toward the entrance to Morrisania Hospital in the Bronx borough of New York, where doctors were vaccinating against smallpox. In an attempt to halt the spread of the disease, officials said city residents were being vaccinated at the rate of eight a minute. (AP Photo/File)

The elimination of smallpox showed how humans can work together to solve deadly global problems

Humans have shown that together we can overcome daunting problems, including deadly pathogens like smallpox. It is a lesson of international cooperation and respect that we should pay attention to.

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