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Will reducing use of antibiotics means less resistance?

Reducing , refining and replacing use of antibiotics reduce selection for resistant strains (see What is the role of the antibiotic in creating resistance?). But reducing use also doesn’t necessarily lessen resistance. In some countries, antibiotic use has halved over the past 10 years but levels of resistant bacteria have risen. Bacteria resistant to some medically critically important antibiotics (CIAs) have also been found on farms that have never bought or used that antibiotic.