Hidden for decades, hospital superbug built resistance in waves, peaking in the mid‑2000s

Researchers have traced the genetic evolution of the antibiotic-resistant superbug Acinetobacter baumannii using samples dating back to the 1970s. The study reveals how the pathogen quietly adapted in hospital environments to become a global health threat.
Why it matters
Understanding the evolutionary history of superbugs is critical for developing more effective treatments and containment strategies to combat antibiotic resistance.
edited by Sadie Harley , reviewed by Robert Egan
The article reports on scientific research findings without political or social commentary.
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