TABLE 1.
Prevalence of Chlamydia pecorum infection and chlamydial disease by KoRV-B status in a population of wild koalas from 2013 to 2014a
| Chlamydia status | No. of koalas |
χ2(1); significance | ||
|---|---|---|---|---|
| KoRV-B+ | KoRV-B− | Total | ||
| By clinical symptomsb | ||||
| Disease positive | 26 | 49 | 75 | |
| Disease negative | 42 | 162 | 204 | |
| Disease total | 68 | 211 | 279 | 5.897; P = 0.015 |
| By PCR detection | ||||
| C. pecorum positive | 22 | 67 | 89 | |
| C. pecorum negative | 40 | 125 | 165 | |
| Not available | 6 | 19 | 25 | 0.007; P = 0.933 |
| PCR total | 68 | 211 | 279 | |
a
Koalas tested more than once in 2013–2014 had only their latest sample result included; a C. pecorum PCR result was classified as positive if there was a positive sample at either the urogenital site or the ocular site or both. Boldface indicates significance.
b
C. pecorum disease status was based on clinical symptoms assessed by a veterinarian at the time of sample collection.