hand drawn set of different virus and bacteria

and background bacteria bacteriology black cholera coronaviridae coronavirus disease drawing drawn eiexcl engraved engraving etching flu grunge hand holerae human illustration immunodeficiency infection influenza isolated major microbiology minor mtb mycobacterium pestis plague rabies retro rna sketch sketching smallpox the tuberculosis tuberculosiss variola vector vibrio vintage virology virus viruses white yersinia