Its an image of the Rod of Asclepius. The logo associated with medicine. There is a thick vertical line representing a staff. A thin rounded snake is rapped around the staff, from bottom to top. With the head of the snake being at the top.
Related to Rod of Asclepius Icon
Related icons are the icons with matching tags, as well as all healthcare icons. All icons are in the same flat style. You can either download free PNG icons or buy SVG vectors