Parameter Biological Meaning Normal Value
\[T\left[0\right]\] The concentrations of uninfected CD\(4^{+}\)T cells at time t=0
\(10\)ml−1 [21]
\(T_{i}\left[0\right]\) Infected cells at time t=0 \(0\ \ \)ml−1 [21]
\(\text{\ V}\left[0\right]\) free virus particles at time t=0 \(10^{-6}\) ml−1 [21]
\(\lambda\) The recruitment rate of uninfected T cells from the body \(0.17\)ml−1 day−1 [22]
\(d\) The death rate of T cells produced by the body 0.017 day−1 [22]
\(K\) Infection rate of T cells by free viruses 6.3X \(10^{-4}\) ml day−1 [22]
\(\rho\) The death rate of cells 0.39 ml−1 day−1 [22]
\(\sigma\) The rate of production of virions by infected cells 870 day−1 [22]
\(c\) The clearance rate of free virus 3 day−1 [22]