LAGUNA DESIGN / SCIENCE PHOTO LIBRARY LAGUNA DESIGN / SCIENCE PHOTO LIBRARY
Biohazard symbol and virus. Computer artwork of the symbol for a biohazard (red) superimposed on a virus (blue). A biohazard is an organism or biological substance that is harmful to human health. Biohazards include medical waste, microbial toxins or infectious micro-organisms or viruses.
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