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Table 2 Percent of European dog sample positive test results and 95% confidence intervals by year for individual vector-borne diseases

From: Seropositivity of main vector-borne pathogens in dogs across Europe

Year Anaplasma spp. Ehrlichia spp. Borrelia burgdorferi Dirofilaria immitis Leishmania spp.
Positive % of tests (95% CI)
 2016 7.3% (7.1–7.6%) 4.3% (4.1–4.6%) 3.3% (3.1–3.5%) 2.7% (2.6–2.9%) 13.9% (13.5–14.4%)
 2017 7.5% (7.2–7.7%) 4.4% (4.2–4.6%) 2.9% (2.7–3.1%) 2.6% (2.4–2.7%) 12.9% (12.5–13.2%)
 2018 6.2% (5.9–6.4%) 3.9% (3.7–4.1%) 2.6% (2.5–2.8%) 1.8% (1.7–1.9%) 12.5% (12.2–12.9%)
 2019 5.5% (5.3–5.7%) 3.5% (3.3–3.7%) 2.6% (2.4–2.7%) 2.0% (1.8–2.1%) 11.0% (10.7–11.2%)
 2020 5.3% (5.1–5.5%) 3.4% (3.2–3.5%) 2.4% (2.2–2.5%) 1.9% (1.8–2.0%) 9.4% (9.2–9.6%)