Microscopic View Of Samllpox 2 Postcard

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epidemic organelle close-up abstract infectious disease disease germ horizontal anatomy microorganism illness variola cytology virion contagious cell pathogen microbe cell biology infection smallpox capsid biotechnology shape artwork single object organism viral infection purple attack virus medical microbiology colored background biology bacteriology genome color image magnification science bacteria microscopic illustration medicine membrane orthopoxvirus biomedical illustrations virology