Other bacteria that can infect humans include staphylococcal bacteria (primarily … In the pharmaceutical industry, bacteria are used to produce antibiotics, vaccines, and medically-useful enzymes. Other medical uses of probiotics include treating eczema, reducing the duration of the flu or common cold, … Most antibiotics are made by bacteria that live in soil. The bacteria can also be used to treat gastrointestinal issues. Bacteria are group of micro-organisms that are a single cell approximately 1 micron in … It is not intended as an exhaustive list of all bacterial species: that should be at List of bacteria. Actinomycetes such as Streptomyces produce tetracyclines, erythromycin, streptomycin, rifamycin and ivermectin. This is a list of bacteria that are significant in medicine. For viruses, see list of viruses. For example, these bacteria may help people who have irritable bowel syndrome.