Caduceus as a symbol of medicine why he chose a herald's wand as a symbol, making it clear that he chose it as a symbol of prudence. This same passage was also earlier referenced by Engle in refuting Garrison's claim. Engle and Friedlander are not the only ones to have noted that the use of the Caduceus by Caius had nothing to do with supposed medical symbolism; as indicated in a publication produced by the Royal College of Physicians itself: "[...] by introducing the caduceus into the ceremony of the College of Physicians, Caius unintentionally added to the confusion between the two emblems for later times,
Caduceus as a symbol of medicine documented mistakes, misunderstandings and confusion. Before the ancient Romans and Greeks (about 2612 BCE), older representations from Syria and India of sticks and animals looking like serpents or worms are interpreted as a direct representation of traditional treatment of "dracunculiasis", the Guinea worm disease. While there is ample historical evidence of the use of the caduceus, or herald's staff, to represent Hermes or Mercury (and by extension commerce and negotiation), early evidence of any symbolic association between the caduceus and medicine or medical practice is scarce and ambiguous. It is likely linked to the alchemical "universal solvent", Azoth, the symbol