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Table 2 Prevalence of Trichinella spp. in raccoon dogs (Nyctereutes procyonoides) in European countries and comparison with the present study

From: Trichinella spp. biomass has increased in raccoon dogs (Nyctereutes procyonoides) and red foxes (Vulpes vulpes) in Estonia

Country Sampling period Samples (n) Prevalence of Trichinella spp. (95% CI) (%) Prevalence of Tn (total) (95% CI) (%) Prevalence of Tb (total) (95% CI) (%) Prevalence of Ts (total) (95% CI) (%) Prevalence of Tp (total) (95% CI) (%) Prevalence of mixed infections (95% CI) (%) Reference
Estonia 2011–2012 113 57.5 (48.3–66.4) 31.9 (23.8–40.9) 24.8 (17.5–33.4) 0.0 (0.0–2.6) 0.0 (0.0–2.6) 11.5 (7.9–20.5) Present study
Estonia 2000–2002 157 42.0* (34.5–49.9) 15.9** (10.8–22.3) 15.9 (10.8–22.3) 0.0 (0.0–5.1) 0.0 (0.0–5.1) 5.1 (2.4–9.4) [4]
Estonia 1992–2000 33 45.5 (29.2–62.5) 15.2 (5.8–30.4) 27.3 (14.2–44.2) 0.0 (0.0–8.7) 0.0 (0.2–8.7) 3.0 (0.2–14.1) [3, 14, 57]
Finland 1999–2005 662 28.1*** (24.8–31.6)       [19]
Finland 1996–1998 199 37.7*** (31.2–44.6)       [8]
Germany 2006–2007 146 4.8*** (2.1–9.3) 0.0*** (0.0–2.0) 0.0*** (0.0–2.0) 4.1* (1.7–8.3) 2.7 (0.9–6.5) 1.4*** (0.2–4.5) [20]
Germany 2000–2014 1527 1.9*** (1.3–2.7) 0.0*** (0.0–0.2) 0.1*** (0.0–0.3) 1.7 (1.1–2.4) 0.1 (0.0–0.3) 0.0 (0.0–0.2)*** [21]
Latvia 2010–2014 394 37.3*** (32.6–42.2) 2.8*** (1.5–4.8) 35.0* (30.4–39.9) 0.5 (0.1–1.7) 0.0 (0.0–0.8) 3.0*** (1.7–5.1) [22]
Latvia 2000–2002 17 35.3 (15.7–59.5)       [4]
Lithuania 2001–2006 75 29.3*** (19.9–40.4)       [23]
Lithuania 2000–2002 83 32.5*** (23.1–43.1) 2.4*** (0.4–7.7) 25.3 (16.8–35.5) 4.8* (1.6–11.2) 0.0 (0.0–3.5) 4.8 (1.6–11.2) [4]
Poland 2012 39 5.1*** (0.9–15.9) 0.0*** (0.0–7.4) 0.0*** (0.0–7.4) 5.1 (0.9–15.9) 0.0 (0.0–7.4) 0.0* (0.0–7.4) [24]
  1. Abbreviations: Tn, Trichinella nativa; Tb, Trichinella britovi; Ts, Trichinella spiralis; Tp, Trichinella pseudospiralis
  2. *P < 0.05, **P < 0.01, ***P < 0.001