Today’s Flickr photo with the most hits: a curious one from Fort Mackinac, Mackinac Island, MI.

In 1846, local outbreak spurred the Fort’s doctor into vaccinating all who lied in the Fort, and all those who lived on the island (through agency of the local Catholic priest, who acted as his proxy, after instruction).

#SmallpoxVaccination #smallpox #mackinac #michigan #1846 #FortMackinac