One of the French sailors had learned enough Massachusett to inform his captors before dying that God would destroy them for their misdeeds. The Nauset scoffed at the threat. But the Europeans carried a disease, and they bequeathed it to their jailers. Based on accounts of the symptoms, the epidemic was probably of viral hepatitis, according to a study by Arthur E. Spiess, of the Maine Historic Preservation Commission, and Bruce D. Spiess, of the Medical College of Virginia.

