Environmental Surveillance of Poliovirus in the Democratic Republic of the Congo: Sensitivity and Site Productivity, 2017–2025
Background: Environmental surveillance (ES) of wastewater was introduced by the Global Polio Eradication Initiative (GPEI) to improve the sensitivity of acute flaccid paralysis (AFP) surveillance. In the Democratic Republic of the Congo (DRC), ES for poliovirus has been implemented since 2017. This study assessed its s...