Assessing the Impact of Drug Resistance on the Transmission Dynamics of Typhoid Fever

Figure 5

Simulations of model system (1) showing the effects of increasing 𝑝 (the proportion of individuals who become infectious carriers upon infection) on the cumulative new infections. The rest of parameters are fixed on their baseline values from Table 1, with the following initial conditions: 𝑆=10000, 𝐼_𝑐=𝐼=500, and 𝐼_𝑐𝑟=𝐼_𝑟=150. It is worth noting that (a) and (b) are not reflecting the disease-free equilibrium; the convergence is simply due to scale.

(a)

(b)

(c)

(d)