Oral PrEP is the most widely used HIV-preventive medication in the world: by 2024, nearly 8 million people had initiated the regimen. Despite new, long-acting versions, oral daily PrEP remains the version that’s easiest to access around the world, so this number will only grow, said Huang, an associate professor in VIDD's Biostatistics, Bioinformatics and Epidemiology Program, or BBE, and Fred Hutch's Public Health Sciences Division, or PHS.