Biohazard Symbol - Universal Warning Sign for Biological Hazards #104289 (License: Personal Use)

This iconic symbol consists of three interlocking circles with curved notches and a central dot, forming a symmetrical, easily identifiable warning sign. Created in 1966 by Charles Baldwin, it was engineered to be unmistakable even when inverted or viewed from a distance. It is universally used to mark biological hazards including infectious agents, medical waste, and contaminated equipment.

Used on lab doors, sharps containers, biosafety cabinets, and hazardous material packaging; matches user intent for safety compliance, hazard identification, or educational content about biosafety protocols.