Table 2. Frequency and distribution of animals seropositive for Rickettsia typhi, Austin/Travis County, August, 2008*.
| Animal | No. animals tested | No. (%) animals seropositive | IFA assay titer, no. animals |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| <32 | 32 | 64 | 128 | 256 | 512 | 1,024 | 2,048 | >4,096 | |||
| Cat | 17 | 3 (17.7) | 14 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 |
| Dog | 9 | 4 (44.4) | 5 | 0 | 0 | 0 | 0 | 1 | 2 | 1 | 0 |
| Opossum | 17 | 12 (70.6) | 5 | 4 | 3 | 1 | 3 | 1 | 0 | 0 | 0 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Raccoon | 9 | 0 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Rat | 4 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Total | 56 | 19 (33.9) | 38 | 4 | 3 | 1 | 3 | 3 | 2 | 1 | 2 |
*IFA, immunofluorescent antibody. Seropositivity indicated by titer >32.