Quick Tests for the Flu Found Often Inaccurate
As the swine flu spreads, many doctors and hospitalsare turning to rapid tests that can determine within minutes whether an anxious patient has the flu. Sales of such tests are soaring.
But the tests have a severe limitation: They may fail more than half the time to detect swine flu infections, according to newly published studies and to experts in medical testing.
The low sensitivity of the tests is becoming a concern to health authorities because a false negative reading might prompt a doctor not to prescribe antiflu drugs.
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