Enteric viruses, somatic coliphages and Vibrio species in marine bathing and non-bathing waters in Italy

L. Bonadonna, R. Briancesco, E. Suffredini, A. Coccia, S. Della Libera, A. Carducci, M. Verani, I. Federigi, M. Iaconelli, G. Bonanno Ferraro, P. Mancini, C. Veneri, E. Ferretti, L. Lucentini, L. Gramaccioni, G. La Rosa

Research output: Contribution to journalArticle

Abstract

Microbial safety of recreational waters is a significant public health issue. In this study we assessed the occurrence and quantity of enteric viruses in bathing and non-bathing waters in Italy, in parallel with microbial faecal indicators, somatic coliphages and Vibrio spp. Enteric viruses (aichivirus, norovirus and enterovirus) were detected in 55% of bathing water samples, including samples with bacterial indicator concentrations compliant with the European bathing water Directive. Aichivirus was the most frequent and abundant virus. Adenovirus was detected only in non-bathing waters. Somatic coliphages were identified in 50% bathing water samples, 80% of which showed simultaneous presence of viruses. Vibrio species were ubiquitous, with 9 species identified, including potential pathogens (V. cholerae, V. parahaemoylticus and V. vulnificus). This is the first study showing the occurrence and high concentration of Aichivirus in bathing waters and provides original information, useful in view of a future revision of the European Directive.

Original languageEnglish
Article number110570
JournalMarine Pollution Bulletin
Volume149
DOIs
Publication statusPublished - Dec 2019

Keywords

  • Bathing water
  • Enteric viruses
  • Estuary
  • Microbial indicators
  • Somatic coliphages
  • Vibrio spp.

ASJC Scopus subject areas

  • Oceanography
  • Aquatic Science
  • Pollution

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