Most Non-Household HIV Transmissions in Rural Uganda Come From Outside the Community
March 13, 2014
This article was reported by Healio.
Healio reported that new findings from a large-scale, ongoing Uganda study found that most new HIV infections occurred from sexual relations with others outside of the newly infected person's community. It also found that for new infections where both partners were from the same community, the transmission was almost always found within the same household.
The latest findings from the Rakai Community Cohort Study included 14,594 participants from 46 village communities in southern Uganda. Every 12-18 months, participants provided blood samples and answered detailed questions, including the geographic locations of sexual partners. Researchers used the geographic information pertaining to partners, as well as genetic similarities of viruses, to gauge whether transmission was from inside or outside communities.
Researchers estimated that 39 percent of new HIV infections were within a household partnership, while 62 percent of transmissions from outside the household were from other communities. "While intra-household transmission was common, it is extra-household transmission that determines the geographic scale of HIV epidemics. Here we estimate that more than half of all household introductions were the result of extra-community partnerships, with a wide geographic range of sexual partner networks," concluded the researchers.
This article was provided by CDC National Prevention Information Network. It is a part of the publication CDC HIV/Hepatitis/STD/TB Prevention News Update.
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