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Table 3 Geographical distribution of seroprevalence to CVBD agents among apparently healthy dogs

From: Countrywide serological evaluation of canine prevalence for Anaplasma spp., Borrelia burgdorferi (sensu lato), Dirofilaria immitis and Ehrlichia canis in Mexico

Apparently healthy dogs
Region Dogs Dogs infected (%) [95 % CI] Positivity (%) [95 % CI] Dogs co-infected (%) [95 % CI]
A Bb Di Ec
Northwestern 177 62 (35.03)** 22 (12.43)** 0 (0) 10 (5.65) 55 (31.07)** 21 (11.86)**
[28.2–41.8] [7.9–17.5] [0.0–0.0] [2.8–9.0] [24.7–37.9] [7.3–16.9]
Northeastern 223 48 (21.52) 6 (2.69)* 0 (0) 13 (5.83)* 33 (14.79) 4 (1.79)
[16.6–26.9] [0.9–4.9] [0.0–0.0] [3.1–9.0] [10.3–19.4] [0.4–3.6]
Northcentral 107 0 (0)** 0 (0)* 0 (0) 0 (0)* 0 (0)** 0 (0)*
[0.0–0.0] [0.0–0.0] [0.0–0.0] [0.0–0.0] [0.0–0.0] [0.0–0.0]
Western 57 19 (33.33) 4 (7.02) 0 (0) 2 (3.51) 17 (29.82) 4 (7.02)
[21.1–45.6] [1.8–14.0] [0.0–0.0] [0.0–8.8] [17.5–42.1] [1.8–14.0]
Eastern 131 26 (19.85) 7 (5.34) 0 (0) 5 (3.82) 17 (12.98) 2 (1.53)
[13.0–27.5] [1.5–9.2] [0.0–0.0] [0.8–7.6] [7.6–19.1] [0.0–3.8]
Southcentral 46 5 (10.87)* 2 (4.35) 0 (0) 0 (0) 4 (8.69) 1 (2.17)
[2.2–20.3] [0.0–10.9] [0.0–0.0] [0.0–0.0] [2.2–17.4] [0.0–6.5]
Southwestern 86 34 (39.53)* 5 (5.81) 0 (0) 0 (0) 32 (37.21)** 3 (3.49)
[29.1–50.0] [1.2–11.6] [0.0–0.0] [0.0–0.0] [27.5–47.7] [0.0–8.1]
South-eastern 116 33 (28.45) 12 (10.35) 0 (0) 1 (0.86) 24 (20.69) 4 (3.45)
[20.7–37.1] [5.2–16.4] [0.0–0.0] [0.0–2.6] [13.8–28.4] [0.9–6.9]
Mexican states 943 227 (24.07) 58 (6.15) 0 (0) 31 (3.29) 182 (19.30) 39 (4.13)
[21.3–26.8] [4.7–7.6] [0.0–0.0] [2.2–4.5] [16.8–21.8] [3.0–5.5]
  1. Abbreviations: A Anaplasma spp., Bb Borrelia burgdorferi (sensu lato), Di Dirofilaria immitis, Ec Ehrlichia canis
  2. * Statistically significant difference (P < 0.05); ** Statistically significant difference (P < 0.0001) to the corresponding national average value of prevalence