From: Canine angiostrongylosis in Sweden: a nationwide seroepidemiological survey by enzyme-linked immunosorbent assays and a summary of five-year diagnostic activity (2011–2015)
Positive samples (n)
%
95% confidence intervals
Antibody-positive
38
0.98
0.69–1.34
Antibody-positive only
34
0.88
0.61–1.22
Antigen positive
24
0.62
0.40–0.92
Antigen positive only
20
0.51
0.31–0.79
Antibody and antigen positive
4
0.10
0.03–0.26