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

Figure 6

Backward bifurcation plot of model (2) as a function of time. (a) Individuals who are lost to follow-up with drug sensitive TB (). (b) Individuals who are lost to follow-up with MDR (). (c) Individuals who are lost to follow-up with XDR (). Parameter values used are as given in Table 2.

(a)

(b)

(c)