Sporadic isolation of Sabin-like polioviruses and high-level detection of non-polio enteroviruses during sewage surveillance in seven Italian cities, after several years of inactivated poliovirus vaccination

A. Battistone, G. Buttinelli, S. Fiore, C. Amato, P. Bonomo, A. M. Patti, A. Vulcano, M. Barbi, S. Binda, L. Pellegrinelli, M. L. Tanzi, P. Affanni, P. Castiglia, C. Germinario, P. Mercurio, A. Cicala, M. Triassi, F. Pennino, L. Fiore

Research output: Contribution to journalArticle

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Abstract

Sewage surveillance in seven Italian cities between 2005 and 2008, after the introduction of inactivated poliovirus vaccination (IPV) in 2002, showed rare polioviruses, none that were wild-type or circulating vaccine-derived poliovirus (cVDPV), and many other enteroviruses among 1,392 samples analyzed. Two of five polioviruses (PV) detected were Sabin-like PV2 and three PV3, based on enzyme-linked immunosorbent assay (ELISA) and PCR results. Neurovirulence-related mutations were found in the 5′ noncoding region (5'NCR) of all strains and, for a PV2, also in VP1 region 143 (Ile > Thr). Intertypic recombination in the 3D region was detected in a second PV2 (Sabin 2/Sabin 1) and a PV3 (Sabin 3/Sabin 2). The low mutation rate in VP1 for all PVs suggests limited interhuman virus passages, consistent with efficient polio immunization in Italy. Nonetheless, these findings highlight the risk of wild or Sabin poliovirus reintroduction from abroad. Non-polio enteroviruses (NPEVs) were detected, 448 of which were coxsackievirus B (CVB) and 294 of which were echoviruses (Echo). Fifty-six NPEVs failing serological typing were characterized by sequencing the VP1 region (nucleotides [nt] 2628 to 2976). A total of 448 CVB and 294 Echo strains were identified; among those strains, CVB2, CVB5, and Echo 11 predominated. Environmental CVB5 and CVB2 strains from this study showed high sequence identity with GenBank global strains. The high similarity between environmental NPEVs and clinical strains from the same areas of Italy and the same periods indicates that environmental strains reflect the viruses circulating in the population and highlights the potential risk of inefficient wastewater treatments. This study confirmed that sewage surveillance can be more sensitive than acute flaccid paralysis (AFP) surveillance in monitoring silent poliovirus circulation in the population as well as the suitability of molecular approaches to enterovirus typing.

Original languageEnglish
Pages (from-to)4491-4501
Number of pages11
JournalApplied and Environmental Microbiology
Volume80
Issue number15
DOIs
Publication statusPublished - 2014

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Human Enterovirus B
Enterovirus C
Enterovirus
Poliovirus
vaccination
Sewage
sewage
Vaccination
monitoring
Italy
mutation
virus
Poliovirus Vaccines
Viruses
immunization
Nucleic Acid Databases
vaccine
reintroduction
Poliomyelitis
Mutation Rate

ASJC Scopus subject areas

  • Applied Microbiology and Biotechnology
  • Food Science
  • Biotechnology
  • Ecology

Cite this

Sporadic isolation of Sabin-like polioviruses and high-level detection of non-polio enteroviruses during sewage surveillance in seven Italian cities, after several years of inactivated poliovirus vaccination. / Battistone, A.; Buttinelli, G.; Fiore, S.; Amato, C.; Bonomo, P.; Patti, A. M.; Vulcano, A.; Barbi, M.; Binda, S.; Pellegrinelli, L.; Tanzi, M. L.; Affanni, P.; Castiglia, P.; Germinario, C.; Mercurio, P.; Cicala, A.; Triassi, M.; Pennino, F.; Fiore, L.

In: Applied and Environmental Microbiology, Vol. 80, No. 15, 2014, p. 4491-4501.

Research output: Contribution to journalArticle

Battistone, A, Buttinelli, G, Fiore, S, Amato, C, Bonomo, P, Patti, AM, Vulcano, A, Barbi, M, Binda, S, Pellegrinelli, L, Tanzi, ML, Affanni, P, Castiglia, P, Germinario, C, Mercurio, P, Cicala, A, Triassi, M, Pennino, F & Fiore, L 2014, 'Sporadic isolation of Sabin-like polioviruses and high-level detection of non-polio enteroviruses during sewage surveillance in seven Italian cities, after several years of inactivated poliovirus vaccination', Applied and Environmental Microbiology, vol. 80, no. 15, pp. 4491-4501. https://doi.org/10.1128/AEM.00108-14
Battistone, A. ; Buttinelli, G. ; Fiore, S. ; Amato, C. ; Bonomo, P. ; Patti, A. M. ; Vulcano, A. ; Barbi, M. ; Binda, S. ; Pellegrinelli, L. ; Tanzi, M. L. ; Affanni, P. ; Castiglia, P. ; Germinario, C. ; Mercurio, P. ; Cicala, A. ; Triassi, M. ; Pennino, F. ; Fiore, L. / Sporadic isolation of Sabin-like polioviruses and high-level detection of non-polio enteroviruses during sewage surveillance in seven Italian cities, after several years of inactivated poliovirus vaccination. In: Applied and Environmental Microbiology. 2014 ; Vol. 80, No. 15. pp. 4491-4501.
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AU - Fiore, S.

AU - Amato, C.

AU - Bonomo, P.

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AU - Barbi, M.

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AU - Tanzi, M. L.

AU - Affanni, P.

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