Researchers report that, for a bacterial pathogen already resistant to an antibiotic, prolonged exposure to that antibiotic not only boosted its ability to retain its resistance gene, but also made the pathogen more readily pick up and maintain resistance to a second antibiotic and become a dangerous, multidrug-resistant strain.
from Health & Medicine News -- ScienceDaily https://www.sciencedaily.com/releases/2020/04/200427125213.htm
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