Complex sentence: The survey targeted street children, female sex workers (FSWs), men who have sex with men (MSM), and injecting drug users (IDUs) and identified a concentrated epidemic among MSM in Alexandria, with a seroprevalence of 6.2 percent.
Split into simpler sentences: The survey targeted street children, female sex workers (FSWs), men who have sex with men (MSM), and injecting drug users (IDUs). It identified a concentrated epidemic among MSM in Alexandria, with a seroprevalence of 6.2 percent.