Long before the Covid pandemic, another global health disaster was brewing, threatening to kill millions of people annually. Superbugs – germs even our most potent antibiotics can’t defeat – pose a massive challenge to human health and wellbeing. The coronavirus, of course, isn’t stopped by antibiotics, which target bacteria. Even so, antibiotics have been used liberally for Covid-19 patients. Jason Gale reports that could worsen the superbug crisis.

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