Polio Environmental Surveillance Bulletin
Publications [email protected] Wed, 02/07/2025 – 15:05 Environmental surveillance (ES) continues to effectively complement Acute Flaccid Paralysis (AFP) surveillance by detecting poliovirus circulation, even in the absence of reported cases. Amid declining resources for polio eradication, WHO is prioritizing cost-saving and efficiency strategies within ES. These include reducing sampling frequency, closing underperforming sites, supporting financially constrained …

