This report is divided into separate chapters that summarize epidemiological trends in individual regions. While regional differences remain, several themes are discernible:
AIDS continues to be a major global health priority.
There is geographic variation between and within countries and regions.
The epidemic is evolving. Epidemic patterns can change over time.
There is evidence of successes in HIV prevention.
Improved access to treatment is having an impact.
There is increased evidence of risk among key populations.