Friday, July 17, 2026
Science

Rare mutations are helping dangerous hospital bacteria slip past the last-line antibiotic defense

Another last-resort antibiotic has fallen victim to the rapid evolution of drug-resistant superbugs. The powerful antibiotic combination ceftazidime-avibactam (CZA), widely used to treat severe hospital-acquired infections caused by Pseudomonas aeruginosa—particularly in critically ill and immunocom...

Rare mutations are helping dangerous hospital bacteria slip past the last-line antibiotic defense
Image: Phys.org
Another last-resort antibiotic has fallen victim to the rapid evolution of drug-resistant superbugs. The powerful antibiotic combination ceftazidime-avibactam (CZA), widely used to treat severe hospital-acquired infections caused by Pseudomonas aeruginosa—particularly in critically ill and immunocompromised patients—can no longer eliminate some of these infections.

Originally published at Phys.org

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