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Bacteria are present in an extreme diversity in our environment and also in our organism. This special, microscopic form of life has a far-reaching influence on us humans, whereby a distinction must be made between positive effects caused by “healthy” bacteria (such as intestinal flora) and negative effects caused by disease-causing bacteria. The transmission of bacteria is the cause of many infectious diseases, which in the past were often fatal. However, with the invention of antibiotics, most of these diseases were easy to treat and are now considered rather harmless. However, the bacteria in turn are becoming increasingly resistant to antibiotics, which is why experts are warning of a renaissance of bacterial infectious diseases. (fp)

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(Image 1: rgpilch /

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Video: Bacteria Updated (January 2022).