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Transmission risk

Jan 31, 2012

Deat, i'm writing you from Milan, Italy; i'd like to know if these statistics: "In high-income countries, the risk of female-to-male transmission is 0.04% per act and male-to-female transmission is 0.08% per act. For various reasons, these rates are 4 to 10 times higher in low-income countries.[37] The rate for receptive anal intercourse is much higher, 1.7% per act.[37]" that can be found online on many websites like( are based on studies considering the absence of ART treatment..because if they are based on patients under ART treatment the risk percentage would be much higher i think...the Aidsmaps website says that the study was conducted in the absence of ART, i just wanted your confirmation.

Thank you in advance and best regards.

Response from Ms. Southall

Hi Thanks for the question and asking for clarification. The rates of HIV infection vary from region to region. We do know that no matter what region lower income does present higher risk of transmission just because of lack of education, resources and the way of life as compared to higher income regions. We also know that when someone living with HIV is on medication and taking it correctly the chances of HIV transmission reduce dramatically.

Hope this helps Be well and stay safe, Shannon

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