Thanks for that link, Keith. I would advise that everyone reads it and pays particular attention to the sections that say

Public health messages about safe sex practices and testing targeted to gay men have waned in the intervening years, and now, some experts say, a new generation of at-risk men have to be educated about the disease.

And

Traditionally, HIV experts have pointed to high-risk behaviors such as unprotected sex, having multiple partners, injection drug use and drug use in general for making gay men more vulnerable to infection. But there may be biological reasons for the enhanced risk as well.

As well as

"If HIV infection in MSM is heavily biologically determined, do present approaches to HIV programming for MSM, which rely heavily on information, education and behavior change strategies, make sense?" the authors write. "The epidemiology suggests that urgent reform is needed."

That's why the latest data on using HIV treatments to protect healthy people from infection, a strategy known as pre-exposure prophylaxis (PrEP), are of particular interest to public health experts.

Which is what I suggested ages ago. I am certainly no expert but education and research sounded, to me, a good idea while compulsory registration and testing is just wrong.

DtG