Johannes Fuchs, Bastian Jackl, Michael Juttler, Daniel A Keim, Rita Sevastjanova
TreEducation: A Visual Education Platform for Teaching Treemap Layout Algorithms
IEEE transactions on visualization and computer graphics
recognized key hiv prevention strategy preexposure prophylaxis prep availability accessibility well documented globally aimed describe prep drug registration status availability prep services across hiv care sites participating international epidemiology databases evaluate aids iedea research consortium used countrylevel prep drug registration status aids vaccine advocacy coalition data iedea surveys conducted 2014 2017 2020 among participating hiv clinics seven global regions used descriptive statistics assess prep availability across iedea sites serving adult patients 2020 examined trends prep availability among sites responded three surveys 199 sites completed 2020 survey prep available 161 81 prep availability highest sites north america 2930 97 east africa 7074 95 lowest sites central 1020 50 west africa 16 17 prep availability higher among sites countries prep officially registered 146161 91 1432 44 availability higher health centers 109120 90 district hospitals 1416 88 compared regionalteaching hospitals 3663 among 94 sites responded three surveys prep availability increased 47 2014 60 2017 76 2020 prep availability substantially increased since 2014 available iedea sites however prep service provision varies markedly across global regions