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The doctor is testing a sample of biological tubes contaminated by Corona-virus Covid 19 and searching for a vaccine or Syrup against the virus. In the laboratory and film samples of infected lung
Bio hazard sign
Hazardous substances any liquid, gas or solid that poses a risk to the health or safety of workers in all workplaces. they come into contact with chemical and biological agents that can cause them har
Biohazard Suit and large syringe
Spill containment barrier surrounding large oil spill with chemical storage drums in warehouse
Vector Set of Sketch Warning Icons

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