Seropositivity of main vector-borne pathogens in dogs across Europe

Parasites & Vectors

Table 4 Rate of co-positives vs expected rate by chance for all results within the study period 2016–2020

Pathogen 1	Pathogen 2	Positive pathogen 1 (%)	Positive pathogen 2 (%)	Expected co-positivity (%)	Co-positivity (%)	Total n	Chi-square
Anaplasma spp.	Ehrlichia spp.	6.19	3.82	0.24	0.81	224,023	P < 0.001*
Anaplasma spp.	Dirofilaria immitis	6.19	1.89	0.12	0.17	224,022	P < 0.001*
Anaplasma spp.	Leishmania spp.	3.19	9.71	0.31	0.78	53,505	P < 0.001*
Anaplasma spp.	Borrelia burgdorferi	6.19	2.69	0.17	0.50	224,022	P < 0.001*
Ehrlichia spp.	Dirofilaria immitis	3.82	1.89	0.07	0.22	224,022	P < 0.001*
Ehrlichia spp.	Leishmania spp.	5.44	9.71	0.53	1.44	53,504	P < 0.001*
Ehrlichia spp.	Borrelia burgdorferi	3.82	2.69	0.10	0.10	224,024	P = 0.657
Dirofilaria immitis	Leishmania spp.	1.39	9.17	0.13	0.30	57,953	P < 0.001*
Dirofilaria immitis	Borrelia burgdorferi	1.89	2.69	0.05	0.06	224,030	P = 0.083
Leishmania spp.	Borreliaburgdorferi	9.71	0.18	0.02	0.04	53,504	P < 0.001*

Vector commonalities or endemic rates within geographies was not included in the comparison
*Statistically significant

ISSN: 1756-3305