Table 5.

Seroprevalence in vaccinated and unvaccinated dogs to serovars present in the vaccine used in the clinic.

Serovars	Prevalence in vaccinated group (%) [95% confidence interval]	Prevalence in nonvaccinated group (%) [95% confidence interval]	p value (Fisher's test)
Icterohaemorrhagiae	21.7 [3.5–40.0]	31.5 [20.6–42.4]	0.4
Pomona	4.3 [0–13.4]	9.6 [2.7–16.5]	0.7
Canicola	13.0 [0–27.9]	20.5 [11.1–30.0]	0.5
Grippotyphosa	0	0.01 [0–0.04]	1