Episode 469 - The Vaccinators, Part 1

This week: the elimination of smallpox is probably one of the greatest medical accomplishments in human history. The vaccine that made it possible, however, was invented during a time of isolation for Japan. So how did the vaccine make it to Japanese shores, and what does that story tell us about public health, the sharing of information, and the nature of society in late feudal Japan?  Show notes here.