Bacteria are microscopic living organisms that have only one cell. The word for just one is “bacterium.” Millions (if not billions) of different types of bacteria can be found all over the world, including in your body. They're on your skin and in your airways and mouth.
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Jun 2, 2024 · Bacterial and viral infections have many things in common. Both types of infections are caused by microbes -- bacteria and viruses, ...
Bacteria
Bacteria are ubiquitous, mostly free-living organisms often consisting of one biological cell. They constitute a large domain of prokaryotic microorganisms. Typically a few micrometres in length, bacteria were among the first life forms to appear... Wikipedia
Bacterial infections can affect many parts of your body. Find out about bacterial infections, how they are treated and how to stop them spreading.
Bacteria are transmitted to humans through air, water, food, or living vectors. The principal modes of transmission of bacterial infection are contact, airborne ...
Many bacterial infections can be treated with antibiotics, but they are useless against viral infections.