Benoît R. Mâsse

Learn More
In this paper, new measures of centrality that summarize the contact structure of social networks are proposed. The new measures use a cumulative nomination scheme based on the preliminary assumption that more central individuals will be nominated more often. Some of these measures are defined to characterize networks of different sizes and, by extension,(More)
BACKGROUND To date different vaginal gel microbicides have been evaluated in phase 2b/3 trials, but none have demonstrated effectiveness for preventing HIV infection. Failure to demonstrate effectiveness however does not necessarily indicate that a product is truly inefficacious, as several sources of efficacy dilution may compromise our ability to identify(More)
BACKGROUND A landmark randomised trial of male circumcision (MC) in Orange Farm, South Africa recently showed a large and significant reduction in risk of HIV infection, reporting MC effectiveness of 61% (95% CI: 34%-77%). Additionally, two further randomised trials of MC in Kisumu, Kenya and Rakai, Uganda were recently stopped early to report 53% and 48%(More)
BACKGROUND The majority of new HIV infections are acquired through heterosexual transmission. There is urgent need for prevention methods to compliment behavior change and condom use. Topical microbicide represent a potential strategy for reduction of HIV transmission in women. METHODS Monthly Colposcopy evaluations were performed during pelvic(More)
Human immunodeficiency virus (HIV) continues to spread and take the lives of millions around the world. Advances in antiretroviral therapy (ART) have substantially extended survivorship without completely removing the risk of transmission. Some preventive interventions have demonstrated efficacy in clinical trials [1,2] but their effectiveness remains to be(More)
  • 1