Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The solutions to model (3.1) using parameter set A. The initial conditions are S0 = 960, I0 = 40, R0 = 0, P0 = 40. The susceptible, infected, recovered and pathogen are compared where Case 1 (dotted blue), Case 2 (dashed purple), Case 3 (dotted red) and Case 4 (dashed green) are plotted in each panel. (Online version in colour.)
