Certain types of bacteria can cause diseases, such as, typhoid fever, syphilis, cholera, tuberculosis and foodborne illnesses. Antibiotics are used to kill harmful bacteria and the diseases they cause. More » Science Biology Cells

Bad bacteria can cause disease, food poisoning, waste, bad odors, and decay of food and organic material. While bad bacteria can be harmful, good bacteria can protect people from the effects of bad bacteria at times. More » Science Biology Molecular Biology & DNA

While not every microorganism is dangerous, some microorganisms can cause disease and infections in humans and other living things. Microorganisms, also called microbes, also contribute to decomposition and spoilage of f... More » Science Biology
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According to Right Diagnosis from Health Grades, penicillin cures a host of illnesses, including acute rheumatic fever, syphilis, tonsillitis, gangrene and gonorrhea. Penicillin treats diseases by attacking protective ce... More » Health Medications & Vitamins

Houseflies most likely carry and transmit at least 65 diseases, some of which include typhoid fever, dysentery, cholera, poliomyelitis and yaws. The flies also carry anthrax, tularemia, leprosy and tuberculosis. More » Pets & Animals Bugs Flies

Fecal coliform are bacteria that can cause hepatitis, dysentery, cholera, ear infection and typhoid fever, according to the North Dakota Department of Health. The bacteria are commonly found in natural bodies of water, n... More » Science Biology