Bacteria are microscopic infectious agents that have a long history of infecting humans, but they also play a vital role in supporting human health.
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As humans continue to use antibiotics to fight bacterial infections, bacteria are evolving to fight back, like these methicillin-resistant Staphylococcus aureus bacteria (yellow), which have evolved a resistance to antibiotics and are seen here fighting w
Photograph by National Institute of Allergy and Infectious Diseases (NIAID)
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May 20, 2022
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