She should get re-tested for Lyme and tested at one of the "best" labs (there are disagreements about which labs are most accurate). The Lyme test only measure

She should get re-tested for Lyme and tested at one of the "best" labs (there are disagreements about which labs are most accurate). The Lyme test only measure antibodies, not bacteria. That means if you get tested too early in the disease process, you might come up negative.