Because antibiotics are so effective, they have been massively overused to treat both humans and animals. The development of AMR is accelerated by the selective pressure exerted by the widespread use of antimicrobials.
Cases of antibiotic resistance were usually detected in hospitals, but they have now spread outside these settings to the community. Some bacteria have become resistant to multiple drugs, leading to situations where there are no treatment options left to fight the patient’s infection. A lack of new antibiotics in the development pipeline further compounds the situation.

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