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.
Scheme representing the age structure of a population of infected mammalian cells. τ represents the age at which infected cells are lysed and liberated the incubated parasites to the environment. Inclined lines are the characteristics of the partial differential equation governing the system dynamics, and indicate how the solution at any (t, a) point can be traced back to the a = 0 axis.
