UK: HIV most often passed on by younger gay men who have undiagnosed HIV, are not on treatment, and have an ongoing partnership

A modelling study based on the UK’s HIV epidemic among gay men estimates that two-thirds of infections originate in men with undiagnosed HIV, 85% in men who are not taking treatment and 90% within the context of an ongoing sexual partnership.

Moreover, HIV transmissions most frequently involve men under the age of 35 who report relatively high levels of sexual activity, according to the study published online ahead of print in AIDS. Read More