James Carroll, the hero doctor.

American Army doctor James Carroll, on August 27, 1900, in Havana, Cuba, allowed an infected mosquito to feed on its blood in an effort to isolate the carrier of the yellow fever transmission. Carroll became seriously ill with yellow fever, thus helping his colleague, the pathologist of [...]
Carroll was seriously ill by yellow fever, thus helping his colleague, military pathologist Walter Reed, prove that mosquitoes transmit the often deadly disease of yellow fever.
Before this discovery, plaguees of yellow fever were common in the American South and other tropical and subtropical regions worldwide.
Mosquito transmission theory developed by Walter Reed and his group members James Carroll, Cuban physician, C.J. Finlay and US Health Secretary W.C. Gorgas, the first attempt to eradicate mosquitoes and hygieno-sanitary measures, opened the way to control the disease in Cuba.
Half a century later, in 1951 American microbiologist Max Thiiler was honoured with the Nobel Prize for Medicine, his studies on yellow fever, and finally for developing a vaccine against this human disease.












