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CDPH Concludes Poliovirus Wastewater Monitoring

Jul 25, 2023

CHICAGO - The Chicago Department of Public Health (CDPH) has concluded poliovirus wastewater monitoring, with all samples negative for poliovirus and no triggers for a public health action.

In response to the identification of a case of paralytic poliomyelitis and wastewater surveillance in sewersheds in New York State last year, and in collaboration with the Centers for Disease Control and Prevention (CDC), CDPH launched a 4-month wastewater monitoring project for poliovirus. CDPH leveraged its established wastewater monitoring infrastructure to quickly adapt to bi-weekly polio testing efforts at treatment plats around the City of Chicago and surrounding Cook County area in March of 2023. As all tests have returned negative results, this focused surveillance effort will end as initially planned.

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