Biohazard Transparent #6340923 (License: Personal Use)

This iconic black-and-white symbol features three interlocking arcs radiating from a central circle, designed in 1966 by Charles Baldwin to be unmistakable and memorable. It is universally adopted to mark materials, containers, or areas containing biological substances that pose a threat to human health, such as viruses, bacteria, or genetically modified organisms. Its high-contrast design ensures visibility and immediate recognition across languages and contexts.

Used on hazardous waste containers, laboratory doors, protective equipment labels, and safety signage; targets professionals in healthcare, research, and emergency response seeking hazard awareness and compliance with OSHA or WHO standards.