May 5, 2008 3:55 PM

More killer germs resisting world's antibiotics

The threat of death-defying bacteria, stubborn organisms that refuse to be conquered by antibiotic medicines, is growing more alarming. Infectious microbes that used to be able to resist only one drug, such as penicillin or methicillin, now resist multiple drugs. Some can survive virtually every weapon in doctors' medicine cabinets.

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