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Officials say the swimming area at Grand Lake State Park in northeastern Oklahoma will remain closed through at least Friday after an unsafe level of…
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Bacteria aren't all bad for you. In fact, they may well be the reason you're healthy.
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The bacteria that cause many cases of ear infection in kids and pneumonia in the elderly are usually harmless until activated by distress signals from their human host. When the flu or another virus gives you a fever, for example, mild-mannered pneumococcus can turn nasty.