In 1803, nearly two dozen orphan boys endured long voyages and physical discomfort to transport the smallpox vaccine to Spain's colonies.
It took science centuries to understand malaria. Now we’re waiting to see how the 2019 vaccine pilot works.
For cultural and geographical reasons, the city was a great place to find bodies to dissect. But there was also the matter of one well-connected doctor.
Pliny the Elder remarked: “Such is the condition of humanity, and so uncertain is men’s judgment, that they cannot determine even death itself.”