Who Will Stop The Mutant Microbes?

To scientists and doctors who thought they had annihilated such bacterial killers as tuberculosis and staph infections a decade ago with antibiotics, what's happening in hospitals today is more frightening than a late-night horror flick: The bugs are back. After 40 years of aggressively pushing antibiotics, doctors are now confronting bacteria that have mutated defenses against drugs. Of the 2 million patients who get infections in hospitals each year, up to 60% are struck by microbes that have become resistant to drugs.

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