Table 2: Parameters of the HIV/AIDS basic model.

Symbol Description

Λ Recruitment rate of susceptibles into the sexually active population
𝛽 Probability of transmission
𝜇 Natural mortality rate
𝛿 Disease-induced mortality rate
𝜎 Rate at which aware infectives develop symptoms
𝜃 Rate at which unaware infectives develop symptoms
𝜌 Rate of status awareness due to screening method
𝛼 Progression rate of pre-AIDS individuals to full blown AIDS
𝜈 Rate at which unaware infectives develop full blown AIDS
𝜂 Rate at which aware infectives develop full blown AIDS
𝜏 Emigration rate of pre-AIDS and AIDS patients
𝜔 Measure of the psychological or inhibitory effect