Lyme disease represents a challenging and growing threat to public health across the Northeast. And testing for this tick-borne ailment has become a big business. Some 3.4 million tests are carried out each year, some of them costing as much as $1,000, and new testing labs are popping up across the country. But according to a months-long study by the New England Center for Investigative Reporting, many patients are being misdiagnosed - and it's all because of a loophole in the federal regulations.
The Center's Beth Daley reported the story, and joins Maine Things Considered host Tom Porter from WGBH in Boston.