Wild poliovirus type 1 detected in sewage samples from Balochistan & Sindh, Pakistan, linked to 2021 imported YB3A genetic cluster.

Wild poliovirus type 1 (WPV1) detected in sewage samples from Balochistan & Sindh, Pakistan. Genetically linked to the imported YB3A genetic cluster, last reported in Pakistan in 2021 but persisted in neighboring Afghanistan. WPV1 found in 38 districts this year, Pakistan's Polio Programme conducted four vaccination campaigns & plans next campaign in first week of June.

May 23, 2024
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