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. 2016 Aug 4;9:428. doi: 10.1186/s13071-016-1681-4

Table 8.

Parameters and their expected ranges based on calibration

Parameter Symbol [units] Value range
Force of infection (FOI) λ [worm/year] Child: (0, 8)
Adult: (0, 3)
Maximum egg release ρ 0 [egg/female] Child: (10, 70)
Adult: (1, 25)
Crowding threshold w 0 [worm] (50, 200)
Egg aggregationa,b r a (0, 0.1)
Child FOI for adult calibration λ C [worm/year] (0, 8)

aDimensionless parameter

bAggregation factor for daily egg counts when modelled as a negative binomial distribution