HIV incidence and sex at each study site.

<p>*Cases per 100 person-years (95% CI). Stratified by sex only when the difference was statistically significant (p<0.05)</p><p>For more details, see [<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0134438#pone.0134438.ref015" target="_blank">15</a>]</p><p>HIV incidence and sex at each study site.</p

Demographic characteristics of the suspected transmitting partners of incident cases reported to be in HIV discordant couple relationships.

<p>* Data or sample not available from one or both volunteers</p><p>** Transmitting partner reports use of antiretroviral therapy, EDI: Estimated date of infection in the incident case</p><p>°An additional 6 volunteers reported being on ART at or around the time of the transmission event, however their viral load was too low to sequence for linkage analysis</p><p>^▪ Comparing linked vs. unlinked across volunteer characteristic</p><p>^▪▪ Divorced, separated or widowed</p><p>Demographic characteristics of the suspected transmitting partners of incident cases reported to be in HIV discordant couple relationships.</p

First available CD4 count in 272 linked transmitting partners following HIV transmission. Vertical dashed line shows the analysis cut point of 90 days post EDI.

<p>First available CD4 count in 272 linked transmitting partners following HIV transmission. Vertical dashed line shows the analysis cut point of 90 days post EDI.</p