Table 2.
Summary of epidemiological parameters for Opisthorchis viverrini estimated in this study. TH relates to parameters estimated from surveys in Thailand and LAO relates to surveys in Laos (table 1).
parameter | symbol | posterior mean | 95% credible interval |
---|---|---|---|
worm aggregation | μk | 0.36 | 0.12–0.55 |
proportion of worms recovered by expulsion | r | 0.44 | 0.42–0.45 |
egg output from 1 worm | λ (TH) | 72 | 66–78 |
λ (LAO) | 20 | 13–30 | |
density-dependence | γ (TH) | 0.98 | 0.96–0.99 |
γ (LAO) | 0.82 | 0.74–0.90 | |
egg dispersion | h (TH) | 0.40 | 0.32–0.48 |
h (LAO) | 0.63 | 0.47–0.79 |