Parameter

Value

Description

Source

106

Constant human recruitment rate

[10] [13]

0.4/year

Mortality rate for bacteria, including phage degradation

Estimated

0.167/year

Natural human mortality rate

Estimated

0.15/year

Disease induced death rate

[2]

0.6/year

Disease induced death rate

Estimated

0.02/year

Effective contact rate between individuals (contact sufficient)

Estimated

0.7/year

Per capita contact rate for humans and contaminated water

Estimated

0.04/year

Recovery rate of infectious humans

[4]

0.05/year

Recovery rate of infectious humans

Estimated

0.5/year

Bacteria shed rate into the water supply by infectious human

Estimated

0.4/year

Bacteria shed rate into the water supply by infectious human

Estimated

0.33/year

Per capita rate at which recovered humans are susceptible

Estimated

0.4/year

Per capita rate at which susceptible humans are vaccinated

[10]

0.01/year

(Maximum) per capita growth rate for S. typhi bacteria

[10]

100/year

Carrying capacity for S. typhi

Estimated

0.8/year

Proportion of infected individuals who are symptomatic

Estimated