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After scientists confirmed that mosquitoes can transmit yellow fever and other diseases, mosquito control emerged as an important public health measure. Discover how Americans have managed mosquitoes at home and abroad through this selection of items from the NLM collection.

A page of text

An Account of the Malignant Fever, Lately Prevalent in the City of New-York, 1799

Courtesy National Library of Medicine

James Hardie, a teacher who lived through both the 1793 Philadelphia and the 1799 New York yellow fever outbreaks, cross-referenced records from churches and health committee members to produce this list of the dead. Maintaining an accurate count of the dead was complicated.