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Black biohazard symbol for biological hazard, toxic contamination, and infectious waste warning

A microbiologist in a clinical lab examines a stained specimen under a microscope, identifying bacteria or analyzing a cell culture to help diagnose an infectious disease.

Woman infectious disease specialist. Doctor virologist with microscope. Virus molecules near scientist. Infectious disease specialist works in chemical protection suit. Doctor develops danger viruses

Woman infectious disease specialist. Doctor virologist with microscope. Virus molecules near scientist. Infectious disease specialist works in chemical protection suit. Doctor develops danger viruses

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Male doctor wearing a facemask at the hospital

Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/male-doctor-wearing-facemask-hospital-92902915">Image used under license from Freestock.com</a>