Biological Hazard Sign - Official Warning Symbol for Biohazardous Materials #131558 (License: Personal Use)

This high-contrast yellow and black sign features the internationally standardized biohazard symbol-a black trefoil within an equilateral triangle-above bold, capitalized text reading “BIOLOGICAL HAZARD.” Designed for maximum visibility and immediate recognition, it complies with OSHA, ANSI, and ISO safety standards for labeling areas or containers containing biological risks such as viruses, bacteria, bloodborne pathogens, or genetically modified organisms.

Commonly used in laboratories, hospitals, waste disposal facilities, and research centers to warn of exposure risks from biological agents; matches user intent for safety compliance, hazard identification, or signage procurement.