Biohazard Symbol - Universal Warning Sign for Biological Hazards #1207556 (License: Personal Use)

This high-contrast yellow and black biohazard symbol-featuring a trefoil of three interlocking arcs-is a standardized warning sign developed in 1966 by Charles Baldwin. It is used globally to mark areas, containers, or equipment contaminated with biological agents such as viruses, bacteria, or medical waste. Its design ensures immediate recognition even without text, supporting safety compliance across languages and literacy levels.

Used on laboratory doors, medical waste bins, PPE packaging, biosafety manuals, and emergency response signage; targets professionals in healthcare, research, public health, and hazardous waste management seeking hazard identification and regulatory compliance.