Do Not Enter: Sterile Procedure in Progress Sign - Medical Safety Symbol #222378 (License: Personal Use)

The image shows a standardized circular red warning sign with white uppercase text reading “DO NOT ENTER” above and below a centered white banner stating “Sterile Procedure In Progress.” Its high-contrast design follows OSHA and ISO safety signage conventions for immediate recognition in clinical environments. Used primarily in operating rooms, cleanrooms, and procedural suites to enforce aseptic protocols.

This image is used on healthcare facility websites, safety training materials, and medical equipment documentation to illustrate infection control measures. It matches user intent for understanding or sourcing regulatory-compliant signage for sterile zones.