Environmental surveillance detected type 3 vaccine-derived polioviruses in increasing frequency at multiple sites prior to detection of a poliomyelitis case

Merav Weil*, Danit Sofer, Lester M. Shulman, Leah Weiss, Nofar Levi, Irina Aguvaev, Zvi Cohen, Klil Kestin, Rinat Vasserman, Michal Elul, Ilana S. Fratty, Neta S. Zuckerman, Oran Erster, Ruth Yishai, Lior Hecht, Sharon Alroy-Preis, Ella Mendelson, Itay Bar-Or

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Israel conducts routine environmental (15 sites) and acute flaccid paralysis (AFP) surveillance for poliovirus. During September 2021, increasing numbers of wastewater samples collected from more than one site in the Jerusalem region proved positive for ambiguous type 3 vaccine-derived poliovirus (aVDPV3), while environmental samples from remaining sampling sites were negative. In late February 2022, a VDPV3, genetically related to the Jerusalem environmental surveillance samples, was isolated from a stool sample collected from a non-immunodeficient, non-immunized child from Jerusalem who developed AFP, indicating that the aVDPV3s were circulating (cVDPV3s) rather than immunodeficiency-related VDPV3s (iVDPVs). In response to these isolations, the Israel Ministry of Health launched a catch-up immunization program.

Original languageEnglish
Article number161985
JournalScience of the Total Environment
Volume871
DOIs
StatePublished - 1 May 2023

Funding

FundersFunder number
Hagihon Company Ltd.
Israeli Polio National Certification Committee
Ministry of Health, State of Israel

    Keywords

    • Acute flaccid paralysis (AFP)
    • Environmental surveillance
    • Molecular analysis
    • Type 3 vaccine-derived poliovirus (VDPV3)

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