The canal was not just an engineering, but also a medical triumph, as U. S. Army physician [[Walter Reed]] identified the mosquito ''Aedes aegypti'' as the carrier of yellow fever. Mosquito-control measures limited the spread of infection and made it possible to complete the work. | The canal was not just an engineering, but also a medical triumph, as U. S. Army physician [[Walter Reed]] identified the mosquito ''Aedes aegypti'' as the carrier of yellow fever. Mosquito-control measures limited the spread of infection and made it possible to complete the work. |