Biohazard Symbol - Meaning, Usage, and Safety Significance #1688800 (License: Personal Use)

This high-contrast yellow-and-black biohazard symbol is standardized by ISO 3864 and OSHA to indicate the presence of biological substances that pose a threat to human health, such as viruses, bacteria, or medical waste. Its distinctive trefoil design ensures immediate recognition across languages and cultures, supporting rapid hazard identification in labs, hospitals, and waste disposal facilities.

Used on signage, lab equipment, medical waste containers, and safety documentation; this image supports educational, compliance, and emergency response content targeting healthcare workers, researchers, and safety officers.