Yes, you just said it yourself, thick twat.

There is a worrying trend both sides of the pond in younger people.

I would add that the concerns from other, mainly surgical trends suggest the projections regarding heterosexual transmission through sex show why services are planned through meta analysis of trends and data, not just historical projection. The paper contained in the HPA website was using historical data. It acknowledges that their data is provisional and best estimate.

Please go away and either find another angle for pointing out reasons to vilify sections of society or take a few lessons on public health epidemiology. I had to before being able to use it to aid decision making, and I am tired of trying to dumb it down because you still just don't get it. I feel assured that getting it isn't an item on your agenda so wasting my breath.