Theory and Modern Applications
Parameters | Descriptions | Units |
---|---|---|
\(b_{I}\) | person–person contact rate | km2 individuals−1 month−1 |
\(b_{W}\) | reservoir–person contact rate | ml3 cells−1 month−1 |
\(b_{D}\) | dumpsite–person contact rate | kg cells−1 month−1 |
\(\gamma ^{-1}\) | infectious period | months |
\(\xi _{W}^{-1}\) | pathogen lifetime in water reservoir | months |
\(\xi _{D}^{-1}\) | pathogen lifetime in dumpsite | months |
\(\alpha _{1}\) | person–reservoir contact rate “shedding” | cells ml−3 month−1 km2 individuals−1 |
\(\alpha _{2}\) | person–dumpsite contact rate | cells kg−1 month−1 km2 individuals−1 |
ψ | dumpsite–reservoir contact rate | kg ml−3 month−1 |
μ | birth rate | month−1 |
μ | non-disease-related death rate | month−1 |
\(r_{1}\) | service coverage of DWS | – |
\(r_{2}\) | service coverage of WST | – |
\(r_{3}\) | service coverage of MSW | – |