From the microbe causing the infection and the definition of the disease, to the length and type of treatment and the?kind of practitioner needed, Lyme is a hotbed of contention. With a CDC-estimated 200,000-plus new cases of Lyme disease a year, it has surpassed both AIDS and TB as the fastest-spreading infectious disease in the U.S. Yet alarmingly, in?many cases, because the disease often eludes blood tests and not all patients exhibit the classic "bulls-eye" rash and swollen joints, doctors are woefully?unable or unwilling to diagnose Lyme. When that happens,?once-treatable infections become chronic, inexorably disseminating to cause disabling conditions that may never be cured.?