Symbol

Description

$\beta$

Per capita birth rate of humans

$\mu$

Per capita death rate of humans

a

Rate of exposure to contaminated water

K

Concentration of vibrio cholera in water

$\tau$

Recovery rate due to treatment

$c_w$

Rate of compliance with water hygiene

$c_s$

Rate of compliance with environmental sanitation

$\delta$

Cholera induced death

$\rho$

Growth rate of vibrio cholera in the aquatic environment

$\omega$

Loss rate of immunity by recovered individuals

e

Contribution of each infected person to the population of vibrio cholera in the aquatic environment