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)

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

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

¹Number of I. scapularis collected from small mammals/number of Dermacentor variabilis collected from small mammals.
²Number of I. scapularis removed from hunter-killed deer/number of Dermacentor albipictus removed from hunter-killed deer.
NC, no collection performed.
B.b., Borrelia burgdorferi.

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