Biohazard Symbol - Universal Warning Sign for Biological Hazards #228563 (License: Personal Use)

This high-contrast black-on-orange biohazard symbol is a standardized warning sign designed to alert individuals to the presence of potentially infectious biological substances. Created in 1966 by Charles Baldwin at Dow Chemical, its distinctive trefoil shape ensures visibility and recognition across languages and cultures. It is commonly found on medical waste containers, laboratory doors, and hazardous material packaging.

Used on safety signage, lab equipment, medical waste bins, and regulatory documentation; targets users seeking hazard awareness, OSHA compliance, or biosafety training resources.