From: Feasibility of controlling hepatitis E in Jiangsu Province, China: a modelling study
Variable | Description | Unit |
---|---|---|
Si | Susceptible individual density | Individuals·km−2 |
Ei | Exposed individual density | Individuals·km−2 |
Ii | Infectious individual density | Individuals·km−2 |
Ai | Asymptomatic individual density | Individuals·km−2 |
Ri | Recovered/removed individual density | Individuals·km−2 |
W | Pathogen concentration in water reservoir | Cells·ml−3 |
Ni | Total population density | Individuals·km−2 |
Np | Total pig herd density | Pigs·km−2 |
Sp | Susceptible pig density | Pigs·km−2 |
Ep | Exposed pig density | Pigs·km−2 |
Ip | Infectious pig density | Pigs·km−2 |
Dp | Slaughtered pig density | Pigs·km−2 |