Table 3.
Parameters used to calculate R0 for the mathematical model
| Parameter | Estimate | Basis for the estimate |
|---|---|---|
| N | 15 inhabitants/km2 | Value obtained by dividing the rural population in 2010 by the area of the municipality based on Brazilian Institute of Geography and Statistics (IBGE) figures [52] |
| M | 10,815 specimens/km2 | Value obtained from entomological studies carried out in the area [36, 37] and by applying linear regression following Zippin [53] |
| μ | 0.68 | Bona and Navarro-Silva [54] |
| TMH | 0.022 | Chitnis et al. [55]; Nedelman [56] |
| THM | 0.24 | Chitnis et al. [55]; Nedelman [56] |
| γ | 0.0055 (180 days) | Value obtained from the observed frequency of asymptomatic individuals and the results reported by Chitnis et al. [55] |
| b | 0.5 | Santos [57]; Laporta et al. [58] |
| q | 10 days | Chitnis et al. 2008 [55] |
| p | 8 days | Santos [57]; Laporta et al. [58] |
N Estimated population size, M Abundance of An. cruzii, µ Mortality rate of A. cruzii, TMH Probability of transmission of Plasmodium from An. cruzii to humans, THM Probability of transmission of Plasmodium from humans to A. cruzii, γ Human recovery rate, b Average An. cruzii daily biting rate, q Incubation period for P. vivax in humans, p Extrinsic incubation period for P. vivax