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Theory and Modern Applications

Table 1 Description of state variables and units for SIWDR model (2.1)

From: Modeling the health impact of water and sanitation service deficits on waterborne disease transmission

State variables

Descriptions

Units

S

susceptible individual density

individuals km−2

I

infected individual density

individuals km−2

R

recovered individual density

individuals km−2

W

pathogen concentration in water reservoir

cells ml−3

D

pathogen concentration in dumpsite

cells kg−1

N

total population density

individuals km−2