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poliovirus
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Polio detected in wastewater in the Baix Llobregat region
Albert Diumenjó Segalà
15-09-2025
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![The El Prat de Llobregat wastewater treatment plant, one of the largest wastewater treatment plants in Europe.](data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 9"%3E%3C/svg%3E)