Published May 13, 2021 at 10:01 AM PDT
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We've all gotten a crash course in the pandemic about viruses and how they can kill us, and how they can be defeated by vaccines.
It turns out viruses can also help us in certain situations... for example, in defeating bacteria that antibiotics have no effect against.
It's combat at a microscope level, a story told by epidemiologist Steffanie Strathdee in