TABLE 2

Prevalence of five pathogens and R. buchneri in I. scapularis ticks by geographical region of Suffolk Countya

AgentbNo. of positive ticks (% [95% CI])
SpringFall
North (n = 125 [80 A/45 N])South (n = 73 [60 A/13 N])North (n = 240)South (n = 240)
Borrelia burgdorferi
    A58 (72 [61–82])27 (45 [32–58])139 (58 [51–64])127 (53 [46–59])
    N12 (27 [15–42])4 (31 [10–61])
Borrelia miyamotoi
    A3 (4 [1–11])1 (2 [0.1–10])9 (4 [2–7])7 (3 [1–6])
    N0 (0 [0–10])0 (0 [0–28])
Anaplasma phagocytophilum
    A11 (14 [7–24])8 (13 [6–25])35 (15 [10–20])35 (15 [10–20])
    N1 (2 [0.1–13])0 (0 [0–28])
Babesia microti
    A19 (24 [15–35])8 (13 [6–25])35 (15 [10–20])26 (11 [7–16])
    N9 (20 [10–35])0 (0 [0–28])
POWV
    A5 (6 [2–15])0 (0 [0–7])5 (2 [1–5])1 (0.4 [0–3])
    N0 (0 [0–10])0 (0 [0–28])
Rickettsia buchneric
    A18 (78 [56–92])8 (89 [51–99])29 (91 [74–97])35 (87 [72–95])
    N21 (91 [70–98])
  • a Values are means and 95% confidence intervals (CI).

  • b A, adults; N, nymphs.

  • c Thirty-two adults and 23 nymphs were tested for the spring season; 72 adult ticks were tested for the fall season.