Research Article
A Mathematical Study of a TB Model with Treatment Interruptions and Two Latent Periods
Table 1
Model parameters and their interpretations.
| Definition | Symbol | Estimate |
| Recruitment rate | | 10,000/1.7 | Natural death rate | | 1/70 | TB induced death rate in class | | 0.5 | TB induced death rate in class | | 0.1 | TB induced death rate in class | | 0.2 | Transmission coefficient from class to | | 5 | Transmission coefficient from class to | | Variable | Transmission coefficient from class to | | 1.5 | Reactivation rate of the early latent persons | | 0.08 | Reactivation rate of the later long-term latent persons | | 0.2 | Self-cured rate of the persons in class | | 0.02 | Treatment rate of untreated active TB cases in class | | 0.3 | Recovery rate of the treated active TB cases | | 0.1 | Rate of treatment interruptions | | 0.1 | Fraction of the early latent persons who progress TB fast | | 0.075 | Fraction of the self-cured persons in class who enter class | | 0.9 |
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