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Theory and Modern Applications

Table 1 Sensitivity index table

From: Stochastic model of tuberculosis with vaccination of newborns

Parameter symbol

Parameter description

Sensitivity index

β

the probability that susceptible (S) and vaccinated (V) individuals become infected by one infectious individual per contact per unit of time

+ve

c

Contact rate

+ve

Ï€

The recruitment rate

+ve

γ

0≤γ≤ 1 (factor in the contact rate of vaccinated members)

+ve

b

The immunity waning rate in the vaccinated host

+ve

p

The fraction of the newborn vaccinated (vaccination coverage)

−ve

\(\mu _{2}\)

Disease-induced death rate

−ve

r

Recovery rate for infectious individual

−ve

\(\mu _{1}\)

Natural death rate

−ve