Volume 10, Number 12—December 2004
Research
Origin of the Amphibian Chytrid Fungus
Ché Weldon*
, Louis H. du Preez*, Alex D. Hyatt†, Reinhold Muller‡, and Rick Speare‡
, Louis H. du Preez*, Alex D. Hyatt†, Reinhold Muller‡, and Rick Speare‡
Table 2
Prevalence of chytridiomycosis in archived Xenopus, by time intervalsa
| Time interval | No. examined | No. positives | % positive (95% CI) |
|---|---|---|---|
| 1871–1940 | 56 | 1 | 1.8 (0.0–9.6) |
| 1941–1950 | 16 | 1 | 6.3 (0.2–30.2) |
| 1951–1960 | 63 | 0 | 0.0 (0.0–5.7) |
| 1961–1970 | 17 | 0 | 0.0 (0.0–19.5) |
| 1971–1980 | 230 | 6 | 2.6 (1.0–5.6) |
| 1981–1990 | 145 | 3 | 2.1 (0.4–5.9) |
| 1991–2001 | 170 | 8 | 4.7 (2.0–9.0) |
| Total | 697 | 19 | 2.7 (1.7–4.2) |
ap = 0.36; CI, confidence interval.
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