Mathematical Model of MDR-TB and XDR-TB with Isolation and Lost to Follow-Up

Figure 4

Contour plot of the reproduction number () of model (2) as: (a) a function of return rate from lost to follow-up () and treatment rate (); (b) a function of return rate from lost to follow-up () and treatment rate (). Parameter values used are as given in Table 2.

(a)

(b)