Fig. 3
From: High prevalence of Trypanosoma cruzi infection in shelter dogs from southern Louisiana, USA

Trypanosoma cruzi seropositivity in shelter dogs as a function of age. Seroprevalence is shown as the mean ± 95% CI. Seroprevalence increased with dog age according to: Seroprevalence = 2.19 + 11.35*log(Dog age) (R2 = 0.99, P = 0.001)