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November 1996

Lyme Disease—United States, 1995

Arch Dermatol. 1996;132(11):1412-1413. doi:10.1001/archderm.1996.03890350156044

LYME DISEASE (LD) is caused by the tickborne spirochete Borrelia burgdorferi sensu lato. Surveillance for LD was initiated by CDC in 1982 and, during 1990, the Council of State and Territorial Epidemiologists designated LD as a nationally notifiable disease. For surveillance purposes, LD is defined as the presence of an erythema migrans rash greater than or equal to 5 cm in diameter or laboratory confirmation of infection with objective evidence of musculoskeletal, neurologic, or cardiovascular disease.1 This report summarizes cases of LD reported by state health departments to CDC during 1995 and indicates that the number of reported cases declined slightly from 1994.

In 1995, 11,603 cases of LD were reported to CDC by 43 states and the District of Columbia (overall incidence 4.4 per 100,000 population), the second highest annual number reported since 1982 but an 11% decrease from the 13,043 cases reported in 1994. As in previous

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