M. J. Murphy, this is a very important conversation to be having. The implications of PrEP on public health strategies cannot be understated.
Lacking a vaccine for HIV, PrEP, PEP, and HAART represent a three-pronged front in what could well be a successful effort to reign the virus in to low levels that approach eradication.
Epidemiologists and virologists who study the matter are in almost full agreement that PrEP needs to be aggressively implemented among high-risk groups.
Not all public health authorities and politicians, however, are fully clued in on the implications. Your article is a very well balanced treatment of subject that we all need to be thinking about.