I wonder if there's any connection to the snake on a staff widely used as a symbol of medicine.
https://en.wikipedia.org/wiki/Rod_of_Asclepius
It which case its origin may be a representation of the treatment for guinea worm.
It which case its origin may be a representation of the treatment for guinea worm.
I've read the caduceus is supposedly an ancient symbol or at least in some way connected to prostitution.
A bit of a faux pas to choose such a symbol!