Biohazard Symbol - Universal Warning Sign for Biological Hazards #1688962 (License: Personal Use)

This high-contrast red-and-white biohazard symbol, standardized by ANSI and ISO, is used globally to mark areas, containers, or equipment contaminated with infectious agents, toxins, or other biological hazards. Designed in 1966 by Charles Baldwin, its distinctive trefoil shape ensures immediate recognition even without text, supporting multilingual safety communication.

Used on lab doors, medical waste bins, PPE packaging, and biosafety signage; serves users seeking hazard awareness, OSHA compliance, or emergency response guidance.