Latest (March 2013) CDC hiv figures.
78% of all new male hiv infections in the United States of America were amongst MSM.

and the beat goes on. These figures were composed from data aquired in 2010.....and at the current rise in infection rates the figure for this year will be between 80 and 90%

How many more need to become infected before compulsory testing and contact tracing is instigated?