Biohazard Symbol - Meaning, Usage, and Safety Significance #131562 (License: Personal Use)

This iconic black-and-white symbol, composed of three interlocking arcs surrounding a central circle, was developed by Charles Baldwin in 1966 for the U.S. Centers for Disease Control. It is used globally to mark containers, equipment, and areas containing infectious agents, recombinant DNA, or other biohazards. Its high-contrast design ensures visibility and immediate recognition, even under poor lighting or from a distance.

Commonly displayed on medical waste bins, lab doors, transport containers, and safety signage; used when users seek hazard identification, OSHA compliance guidance, or educational material about biosafety levels.