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.:
abstract aids bacillus background bacteria bacterial bacterium biology blue cancer cell cells disease epidemic flu generated genetics germs health healthcare hiv human illness illustration infection infectious laboratory legionella life macro magnification medical medicine micro microbe microbiology microorganism microscope microscopic molecular organic organism pathogen research salmonella science scientific virus white