From: Diagnostic challenges of early Lyme disease: Lessons from a community case series
Confirmed | a. a case of EM with a known exposure * b. a case of EM with laboratory evidence of infection and without a known exposure c. a case with at least one late manifestation that has laboratory evidence of infection |
Probable | Any other case of physician-diagnosed Lyme disease that has laboratory evidence of infection |
Suspected | a. a case of EM where there is no known exposure and no laboratory evidence of infection b. a case with laboratory evidence of infection but no clinical information available (e.g. a laboratory report) |