Biohazard Symbol - Meaning, Usage, and Safety Significance #1688931 (License: Personal Use)

This iconic black-and-white symbol, composed of three interlocking crescent shapes surrounding a central circle, was developed in 1966 by Charles Baldwin to warn of biological hazards. It is used globally on containers, equipment, and facilities handling infectious agents, recombinant DNA, or medical waste. Its high-contrast design ensures visibility and universal comprehension regardless of language.

Used on lab signage, medical waste bins, biosafety manuals, and emergency response materials; matches user intent for safety compliance, hazard identification, or educational content about biosafety protocols.