Table 1. Reported cases* of Lyme disease (LD) in Maryland Eastern Shore, 1997–2000†.

County	1997	1998	1999	2000	Total
Caroline	18	17	26	21	82
Dorchester	3	4	3	4	14
Kent	24	47	20	34	125
Queen Anne	32	31	40	35	138
Talbot	13	22	33	37	105
Total	90	121	122	131	464

*Reported cases defined according to the national surveillance definition. For the purpose of surveillance, a case of LD is defined as physician-diagnosed erythema migrans >5 cm or >1 late rheumatologic, neurologic, or cardiac manifestation with laboratory evidence of Borrelia burgdorferi infection.
†Source: Maryland Department of Health and Mental Hygiene. Available from http://www.edcp.org/vet_med/lyme_disease.html