Whoever started putting the ancient Greek icon on American public health officers’ uniforms had it confused with another snake-and-staff symbol. The caduceus is the “Born in the U.S.A.” of Greek ...
The Greek god Hermes, who served as herald and messenger to the other gods, carried a winged staff entwined with two snakes. The staff of Aesculapius, the god of healing, had one snake and no wings.