Biohazard Symbol | Universal Warning Sign for Biological Hazards #3498984 (License: Personal Use)

This iconic black-and-white symbol consists of three interlocking circles surrounding a central dot, forming a trefoil shape designed for high visibility and universal recognition. Created in 1966 by Charles Baldwin, it signals the presence of potentially infectious agents, genetically modified organisms, or other biological threats. Its design ensures legibility from multiple angles and under varied lighting conditions.

Commonly used on laboratory equipment, medical waste containers, biosafety cabinets, and hazard signage; matches user intent for safety education, regulatory compliance, or emergency response guidance.