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Table 3 Comparison of confirmed and probable Lyme disease cases from Lebanon Co., PA, and tick surveillance data from Ft. Indiantown Gap, Lebanon Co., PA, 1988-2006

From: Comparison of phenology and pathogen prevalence, including infection with the Ehrlichia muris-like (EML) agent, of Ixodes scapularis removed from soldiers in the midwestern and the northeastern United States over a 15 year period (1997-2012)

Year 1988 1990 1991 1993 1998 1999 2000 2001 2002 2003 2004 2005 2006
Lyme disease cases, Lebanon Co., PA 0 <5 <5 <5 5 12 13 19 36 51 80 54 46
I. scapularis submitted to HTTKP 0 0 0 0 1 5 7 14 18 53 13 50 46
Ticks collected from small mammals1 NC NC NC 0/156 NC 33/4 NC NC NC NC NC NC 56/0
Ticks collected from deer2 0/900 3/747 0/54 NC NC NC NC NC NC NC NC 84/124 NC
B.b. positive I. scapularis collected from deer NC 2 NC NC NC NC NC NC NC NC NC 21 NC
  1. 1Number of I. scapularis collected from small mammals/number of Dermacentor variabilis collected from small mammals.
  2. 2Number of I. scapularis removed from hunter-killed deer/number of Dermacentor albipictus removed from hunter-killed deer.
  3. NC, no collection performed.
  4. B.b., Borrelia burgdorferi.