big colorfull set with different dangerous viruses and germs with its names.

bacillus background bacteria bacterium big biology borrelia brucella candida cartoon cell cholerae collection colorfull dangerous different disease education epidemic escherichia flu germ germs giardia health hepatitis human icon illness illustration infection isolated its leishmania medical medicine meningococci micro microbe microbiology microorganism microscopic names organism papillomavirus pathogen pneumococci rhinovirus salmonella science set shigella tuberculosis vector vibrio virus viruses yersinia