Table 3.
Seroprevalence of Toxoplasma gondii in captured animals in Tennessee from 2016 to 2017.
| Species | No. of sera tested | Titer |
% positive sera (cutoff at 1:25) | % positive sera (cutoff at 1:50) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| <25 | 25 | 50 | 100 | 200 | 400 | 800 | 1600 | 10,000 | 20,000 | ||||
| House mouse | 27 | 22 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18.5% (5/27) (CI 7.03–38.75%) |
3.7% (1/27) (CI 0.19–20.9%) |
| Norway rat | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0% (0/1) (CI 0–94.54%) |
0% (0/1) (CI 0–94.54%) |
| White-footed mice/deer mouse | 5 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 40% (2/5) (CI 7.26–83.0%) |
0% (0/5) (CI 0–53.71%) |
| Cotton rat | 6 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0% (0/6) (CI 0–48.32%) |
0% (0/6) (CI 0–48.32%) |
| Eastern mole | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0% (0/1) (CI 0–94.54%) |
0% (0/1) (CI 0–94.54%) |
| Raccoon | 17 | 5 | 3 | 0 | 2 | 0 | 2 | 1 | 2 | 1 | 1 | 70.6% (12/17) (CI 44.05–88.62%) |
52.9% (9/17) (CI 28.53–76.14%) |
| Opossum | 16 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0% (0/16) (CI 0–24.07%) |
0% (0/16) (CI 0–24.07%) |
| Domestic cat | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 50% (1/2) (CI 9.45–90.55%) |
50% (1/2) (CI 9.45–90.55%) |
| Skunk | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0% (0/2) (CI 0–80.21%) |
0% (0/2) (CI 0–80.21%) |