Table 2.

Co-infections detected in Ixodes scapularis in Hunterdon County during 2020 and 2021.

	2020		2021		All nymphs	All adults
	Nymphs	Adults	Nymphs	Adults
Total no. tested	126	308	106	122	232	430
Borrelia burgdorferi + Anaplasma phagocytophilum	7.9 (10)*	10.7 (33)**	0 (0)	2.5 (3)	4.3 (10)**	8.1 (36)**
Borrelia burgdorferi + Babesia microti	2.4 (3)	4.2 (13)	0 (0)	0 (0)	1.3 (3)	3.0 (13)
Borrelia burgdorferi + Borrelia miyamotoi	0 (0)	0.6 (2)	0 (0)	0 (0)	0 (0)	0.5 (2)
Anaplasma phagocytophilum + Babesia microti	0.8 (1)	0 (0)	0 (0)	0 (0)	0.4 (1)	0 (0)
Anaplasma phagocytophilum + Borrelia miyamotoi	0 (0)	0.6 (2)	0 (0)	0 (0)	0 (0)	0.5 (2)
Borrelia burgdorferi + Anaplasma phagocytophilum + Powassan virus	0 (0)	0.6 (2)	0 (0)	0 (0)	0 (0)	0.5 (2)
Borrelia burgdorferi + Anaplasma phagocytophilum + Borrelia miyamotoi	0 (0)	0.3 (1)	0 (0)	0 (0)	0 (0)	0.2 (1)

Note: Values represent infection prevalence (IP = percent infected) followed by number of infected ticks in parentheses.

Co-infections occurring at a significantly elevated prevalence (Fisher’s exact test) are denoted by * (P < 0.05) or ** (P < 0.01).