Isolation of deer tick virus (Powassan virus, lineage II) from Ixodes scapularis and detection of antibody in vertebrate hosts sampled in the Hudson Valley, New York State

Table 2 I. scapularis and I. cookei nymphs collected as replete larvae from vertebrate hosts trapped/netted at Dutchess County site (CIES), 2008-2011

Host species	No. individuals	No. *I. scapularis* nymphs (# pools)	No. *I. cookei* nymphs (# pools)	No. DTV positive *I. scapularis* pools^a(# indiv. hosts)	Seropositivity no. pos/No. bled^b
Short-tailed shrew	11	108 (48)
Blarina brevicauda	11	108 (48)
Virginia opossum	25	1265 (235)		2 (2)	1/6^c
Didelphis virginiana	25	1265 (235)		2 (2)	1/6^c
Long-tailed weasel	3	0	1 (1)		0/3
Mustela frenata	3	0	1 (1)		0/3
Woodchuck	8	6 (2)	41 (26)		4/6
Marmota monax	8	6 (2)	41 (26)		4/6
Striped skunk	5	109 (34)	9 (6)	2 (2)
Mephitis mephitis	5	109 (34)	9 (6)	2 (2)
White-footed mouse	87	848 (161)			0/49
Peromyscus leucopus	87	848 (161)			0/49
Raccoon	33	1654 (268)	47 (14)	1
Procyon lotor	33	1654 (268)	47 (14)	1
Gray squirrel	19	308 (69)
Sciurus carolinensis	19	308 (69)
Red squirrel	10	456 (56)
Tamiasciurus hudsonicus	10	456 (56)
Eastern chipmunk	14	63 (36)
Tamias striatus	14	63 (36)
Eastern cottontail	3	38 (8)	1 (1)
Sylvilagus floridanus	3	38 (8)	1 (1)
American robin	13	55 (39)
Turdus migratorius	13	55 (39)
Gray catbird	2	32 (7)
Dumetella carolinensis	2	32 (7)
Veery	7	150 (34)
Catharus fuscescens	7	150 (34)
Woodthrush	10	159 (36)
Hylocichla mustelina	10	159 (36)
TOTAL	250	5251 (1033)	99 (48)	5	5/64

^aNumber of DTV RNA positive tick pools. Infectious virus was not recovered.
^bNot all individual vertebrate hosts were bled.
^cVirginia opossums bled did not include the individuals from which DTV positive ticks were collected.

ISSN: 1756-3305