Biohazard Symbol - Universal Warning Sign for Biological Hazards #1951640 (License: Personal Use)

This high-contrast red-and-white biohazard symbol, designed in 1966 by Charles Baldwin, features three interlocking arcs radiating from a central circle to signify invisible biological threats. It is standardized by ISO 3864 and OSHA for use in labs, medical facilities, waste disposal, and emergency response contexts. Its unmistakable design ensures immediate recognition regardless of language or literacy level.

Used on signage, lab equipment, sharps containers, PPE packaging, and hazardous material labels; serves users seeking safety compliance, hazard identification, or educational content about biosafety protocols.