A Case of Yellow Fever

(LoC) On August 27, 1900, U.S. Army physician James Carroll allowed an infected mosquito to feed on him in an attempt to isolate the means of transmission of yellow fever. Carroll developed a severe case of yellow fever, helping his colleague, Army pathologist Walter Reed, prove that mosquitoes transmit this often-deadly disease. Prior to these findings, epidemics of yellow fever were common in the American South. Uncertain of how the disease was transmitted, many people would leave the South for the summer, the season in which the epidemics were most common, returning after the first frost. Continued