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Thousands tested with unvalidated and unregulated Lyme disease tests

As Lyme disease becomes an increasingly challenging public health threat across the Northeast, a growing number of tests for the vexing ailment may be misdiagnosing patients when telling them that they have – or don't have – the tick-borne illness.

At least seven labs in the U.S. have been denied permission to offer Lyme tests over the past decade in New York, according to state records obtained by the New England Center for Investigative Reporting.  The state is the only one that performs a rigorous review of tests to ensure they identify what they claim to before they can be offered there.

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