Table 2 Species and infection rates (%) of pathogens found in 2248 Ixodes ricinus nymphs and adults collected from 2011 to 2016, and sites positive for each pathogen by year of collection
Species | No. of infected ticks | % | 95% CI | Positive sites (n = total sites monitored) | |||||
|---|---|---|---|---|---|---|---|---|---|
2011 (n = 5) | 2012 (n = 13) | 2013 (n = 14) | 2014 (n = 14) | 2015 (n = 12) | 2016 (n = 8) | ||||
Rickettsia spp. | 91 | 4.05 | 3.23–4.86 | 2 | 7 | 6 | 6 | 4 | 5 |
Rickettsia helvetica | 83 | 3.69 | 2.91–4.47 | 2 | 6 | 6 | 4 | 4 | 5 |
Anaplasma phagocytophilum | 74 | 3.29 | 2.55–4.03 | 2 | 4 | 4 | 5 | 4 | 1 |
Borrelia burgdorferi (s.l.) | 70 | 3.11 | 2.40–3.83 | 4 | 3 | 5 | 1 | 7 | 5 |
“Ca. Neoehrlichia mikurensis” | 39 | 1.73 | 1.20–2.27 | 4 | 3 | 3 | 4 | 3 | – |
Borrelia afzelii | 34 | 1.51 | 1.01–2.02 | 2 | 3 | 5 | – | 6 | 4 |
Borrelia burgdorferi (s.s.) | 28 | 1.25 | 0.79–1.70 | 3 | 1 | – | – | – | – |
Rickettsia monacensis | 11 | 0.49 | 0.20–0.78 | 1 | 3 | – | 3 | – | 1 |
Borrelia garinii | 4 | 0.18 | 0.004–0.352 | 1 | – | – | – | 2 | – |
Borrelia valaisiana | 4 | 0.18 | 0.004–0.352 | – | – | – | 1 | 1 | 2 |
Babesia venatorum | 1 | 0.04 | 0.000–0.132 | – | – | – | – | – | 1 |