The Staff of Aesulapius has been the symbol of healing since Greek Mythology. The single snake was the helper of Aesculapius
and people would come to the temple and sleep overnight. They would be ministered to by the snake and awaken healed in the
The Cadeusus, or staff of Mercury with two snakes was the symbol for messengers, merchants and thieves. Mercury was the
messenger who arranged affairs for the Greek Goddesses. It only became used as the symbol of medicine in the second world
war when it was used on ambulances to indicate speedy service.