X-Nico

Canadian Dental Association

It is based on the dental symbol, the Rod of Asclepius surrounded by an interlocking circle and triangle.

Lords of Kobol

The symbol Lily is praying too is a Caduceus which is commonly confused with the Rod of Asclepius, leaving it an open question as to whether the producers used the wrong symbol (a very common mistake, especially in the media) or in the Galactica universe Asclepius is actually represented by that symbol.

Surgeon General of the United States

The insignia of the Surgeon General, and the USPHS, use the caduceus as opposed to the Rod of Asclepius

University of Copenhagen Faculty of Health Sciences

which is written in a circle around the rod of Asclepius which is an ancient Greek symbol associated healing the sick with medicine.

see also