Research Article

Modeling the Effects of Spatial Heterogeneity and Seasonality on Guinea Worm Disease Transmission

Table 1

Description of model parameters for system (3).

Symbol Definition Value Unit Source

Proportion of recovered individuals
who become susceptible to the disease0.3-Assumed
Proportion of recovered individuals
who are at high risk to reinfection0.9-[10]
Rate of transfer from high risk to
low risk susceptible populationAssumed
Rate of transfer from low risk to
high risk susceptible population0.009Assumed
Proportion of new births in high
risk susceptible population - [10]
Proportion of new births in low
risk susceptible population - [10]
Natural mortality rate for humans [11]
Average infectious period monthAssumed
Modification factor - Assumed
Human birth rateAssumed
Averaged environment–to–host
transmissionFitting
Averaged incubation rate[12]
Averaged parasite shedding rate Fitting
Parasite death rate[6]