WHO has developed a series of modules to support the implementation of PrEP among a range of populations in different settings. Jhpiego has partnered with WHO to make select modules available in this app. This app provide information on initial suggestions for the introduction and implementation of PrEP based on currently available evidence and experience for clinicians, counselors, pharmacists, testing providers, and PrEP users. It also features a clinical calculator for estimated creatinine clearance.