Biohazard Grunge Sign

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Objects picture science safety safe risk resource poisonous poison pictograph sheet pictogram photograph photo parchment paper page old sepia aged aging toxic waste warning warn warfare virus viral vintage textured sickness texture symbolic substance stock square somadjinn sign sick maroon isolation caution deadly dead dangerous danger damaged damage brown isolated biological biohazard bio beige backdrop antique ancient death decay decayed graphic isolate infection image icon hazard grungy grunge graininess decaying grained grain free epidemic disease dirty design white symbol background