biohazard sign background infected green fog dangerous haze poisoned spreading smoke attack biological weapons vector |
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| navigate by keyword : 2019ncov abstract alert asia background bacteria bacterial bio biohazard biologic biological black chemical chemistry china chinese cloud concept contamination coronavirus danger dangerous dark dynamic element environment fog graphic green hazard hazardous illustration infection infectious logo mist neon pattern poison pollution protection risk safety science shape shine sign smoke smoky symbol texture toxic vector virus zone |
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| Biohazard sign on a background of infected green fog. Dangerous haze poisoned. Spreading smoke attack biological weapons. Vector illustration |
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