Timeline of patient activities, potential poliovirus exposures, shedding, and poliovirus-positive wastewater* samples† genetically linked to a patient with a case of type 2 vaccine-derived poliovirus — New York, May–August 2022
Abbreviations: ED = emergency department; VDPV2 = type 2 vaccine-derived poliovirus.
* Wastewater, also referred to as sewage, includes water from household or building use (e.g., toilets, showers, and sinks) that can contain human fecal waste and water from non-household sources (e.g., rain and industrial use).
† More than one positive wastewater sample might have been collected on the same day in Rockland County or Orange County.