So this is not -- this was not a full cure for what ailed our economy.

WHITEHOUSE: Press Briefing

But this is not necessarily a negative trend, because new treatments - although not providing a cure - are allowing those with the virus to live much longer before contracting full-blown Aids.

BBC: US HIV cases 'on the rise'

Prevention is almost certainly cheaper than cure: a violent, half-deserted estate could end up costing more than a full and peaceful one.

ECONOMIST: Housing estates