05/29/2026
: Despite the Rod of Asclepius being used as a symbol of medicine as far back as 1400 BC, the caduceus has been widely used as another symbol of medicine. The U.S. Army Medical Corps' adoption of the caduceus in 1902 sparked an increase in the use of the caduceus over the Rod of Asclepius. The Navy Hospital Corps originally used the red cross as its symbol until it changed to the caduceus in 1948.