Table 2.
Parameters and their definitions for the HAV dynamic model.
| Parameter | Definition | Value | Source |
|---|---|---|---|
| Λ | Rate of recruitment of humans into the susceptible class | 1000 humans/year | Assumed |
| ρ | A fraction of vaccinated humans | 0.7 | [11] |
| β 1 | Transmission rate for infectious humans | 0.1/year | Assumed |
| β 2 | Effective transmission rate of HAV due to the environment-to-human interaction | 0.2/year | Assumed |
| δ | Pathogen shed rate into the water supply or food by infectious humans | 80 cells/mL/day | Assumed |
| μ p | Mortality rate of HA pathogens, including phage degradation | 0.83/day | [11] |
| η | Rate at which sanitation measures lead to the death of HA pathogens | 2μp/year | [11] |
| γ | Natural recovery rate for infectious humans (I) | 1/21/day | [11] |
| θ | Rate at which susceptible humans are vaccinated | 0.85/year | [18] |
| μ | Natural human mortality rate | 0.00172/year | [18] |
| ϕ | (Maximum) per capita growth rate of HA pathogens | 0.73/day | [19] |
| α | Rate at which the latent humans progress to infectious class | 1/14/day | [20] |