Roman Soldiers Fought an Invisible Enemy Inside Their Own Fort

Researchers analyzing ancient sewer drains at the Roman fort of Vindolanda near Hadrian’s Wall have found clear evidence that people living at the site were infected with three intestinal parasites: roundworm, whipworm, and Giardia duodenalis. All three parasites spread through poor sanitation, typically when food, water, or hands are contaminated with human feces. Roundworms can [...]