e/North American smallpox epidemic

Information
has gloss	eng: Between 1775 and 1782, a smallpox epidemic raged across much of North America, killing more than 130,000 people. It rampaged the town of Boston during the British occupation and the American siege of 1775. It was present during the American invasion of Quebec in 1775. Smallpox ravaged the populations of escaped slaves who fled to the British lines in the South during the American Revolutionary War. New Orleans experienced great bouts of it from 1778 to 1779. Tens of thousands of people died throughout Mexico from smallpox beginning in 1779.
lexicalization	eng: North american smallpox epidemic
instance of	(noun) a widespread outbreak of an infectious disease; many people are infected at the same time epidemic