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Table 1 Parameters used for the individual-based, stochastic simulation models

From: The impact of community-wide, mass drug administration on aggregation of soil-transmitted helminth infection in human host populations

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)

2 months [35]

12 days [51]

Drug efficacy

0.99 [40]

0.948 [40]