Biohazard Symbol - Universal Warning Sign for Biological Hazards #3735101 (License: Personal Use)

This standardized biohazard warning sign features a bright yellow equilateral triangle with a bold black trefoil (three-lobed) symbol at its center, accompanied by the word “BIOHAZARD” in uppercase letters on a rectangular panel below. Designed in 1966 by Charles Baldwin, the symbol is intentionally abstract to avoid cultural or linguistic bias and ensure immediate recognition across languages and contexts. It is used globally to mark areas, equipment, or containers containing infectious agents, medical waste, or other biological risks.

Commonly displayed in laboratories, hospitals, waste disposal facilities, and on biomedical transport containers; used to alert personnel and the public to potential exposure to pathogens or hazardous biological materials. Matches user intent for safety education, regulatory compliance, or hazard identification resources.