Model parameter description | A. lumbricoides | N. americanus |
---|---|---|
Transmission rate, R0 | 2.12 | 2.2 |
Aggregation of worms within human hosts, k | 0.15 | 0.35 [25] |
Relative exposure to infection and contribution to infective reservoir (assuming no differences between males and females) | 0–2 years-old: 0.22 | 0–2 years-old: 0.03 |
2–5 years-old: 1.88 | 2–5 years-old: 0.09 | |
5–15 years-old: 1 | 5–15 years-old: 1 | |
15+ years-old: 0.53 | 15+ years-old: 2.5 [49] | |
Average worm life expectancy (years) (assuming an exponential distribution) | 1 [50] | 2 [51] |
Female worm fecundity, γ | 0.07 [37] | 0.02 (assuming exponential saturation) [52] |
Infectious reservoir decay rate (mean) | 2Â months [35] | 12Â days [51] |
Drug efficacy | 0.99 [40] | 0.948 [40] |