Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
attack bacillus background bacteria bacterium biology black blood body cancer cell cells coli death disease ecoli epidemic experiment flu germ gray group health hiv human illness illustration infection laboratory life macro magnification medical medicine micro microbe microbiology microscope microscopic organism outbreak pathogen pathology research rodshaped salmonella science scientific sickness virus white