Infected Tick Areas
Abundant: High density of host-seeking nymphal I.scapularis ticks.
Common: Medium density of host-seeking nymphal I.scapularis ticks or where at least 2% of I. pacificus ticks have been shown to be infected with B. burgdorferi.
Rare: Areas where I. scapularis or I. pacificus ticks have been reported, but host-seeking nymphs are extremely rare (I. scapularis) or infection prevalence is low (I. pacificus).
None: No reports of I. scapularis or I. pacificus ticks.
Diuk-Wasser, M.A., Gatewood, A.G., et al., 2006. (Click here for abstract.)
Reported Cases of Lyme Disease — United States, 2008
- 1 dot placed randomly within county of residence for each reported case.
Footnote: These data are provided by the Centers for Disease Control and Prevention from annual morbidity and mortality reports.