Gani, JosephSwift, R.J.2015-12-070167-7152http://hdl.handle.net/1885/17650In this article we examine an approximation to the carrier-borne epidemic process with both susceptible and carrier immigrations. It is shown that the approximate susceptible stochastic process is Poisson, with a mean equal to the deterministic number ofAn unexpected result in an approximate carrier-borne epidemic process200810.1016/j.spl.2008.01.0772015-12-07