We do know that Gimple will return as showrunner and that Robert Kirkman, Gale Anne Hurd, David Alpert, Greg Nicotero and Tom Luse will all executive produce Season 6. The Walking Dead clearly has a long-term trajectory in mind.
In this scenario, it would cost about $500 per DALY. At 20% coverage, targeted PrEP would cost $800 per HIV DALY averted. At both levels of coverage, non-targeted PrEP would cost about $1400 per DALY. This picture changes if the costs of ART for people who would otherwise be infected is also included.
That's because it takes time for the AIDS virus to wear down the immune system. Treatment usually starts when immune cells called CD4 T cells decline to a certain level -- typically 350 cells per microliter of blood. When treatment does begin, the average monthly cost is about $2,100.