Late HIV Presentation Remains High in Korea: 28-Year National Surveillance Trends and the Limits of Inference under Incomplete CD4 Capture, 1998-2025.
BACKGROUND Whether late human immunodeficiency virus (HIV) presentation in Korea has improved is difficult to judge because a CD4 count at diagnosis was captured for only a minority of notified cases until 2025. We examined 28-year trends in late presentation (CD4 <350 cells/µL) and advanced HIV disease (AHD; CD4 <200...