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Food-Borne and Water-Borne Viruses

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Food Science and Technology".

Deadline for manuscript submissions: closed (20 September 2021) | Viewed by 4382

Special Issue Editor


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Guest Editor
Department of Veterinary Medicine, University of Bari Aldo Moro, Strada Provinciale per Casamassima Km 3, Valenzano, 70010 Bari, Italy
Interests: foodborne viruses; waterborne viruses; enteroviruses; food safety; food microbiology; risk assessment; food hygiene; biomolecular diagnostic methods; Hepatitis A; Hepatitis E; norovirus
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

We are inviting the submission of reviews and original research papers that present basic and applied research into food-borne and water-borne viruses.

Human norovirus and hepatitis A virus are the most common foodborne viruses, which are transmitted by food consumed raw, such as shellfish, fresh vegetables, and berry fruit. In addition, in industrialized countries hepatitis viruses are recognized as an emerging viral agent and includes zoonotic transmission via pork products.

Risk assessment for food-borne and water-borne viruses requires the development and availability of specific and sensitive analytical systems to evaluate the potential hazard for public health of contaminated food and water. In the last few years, innovative and sensitive molecular methods have been developed for detection of these viruses. Rapid and sensitive robust detection methods are therefore needed to prevent food recalls and outbreaks. As the most relevant foodborne viruses are RNA viruses, reverse-transcription (RT) PCR has reportedly been the ‘gold standard’ for their detection. Recent standardization of RT-qPCR methods has allowed monitoring of enteric viruses in food and water samples (e.g. ISO TS 15216-1 and ISO TS 15216-2). Despite these improvements, there is still a need to better understand the relationship between RT-qPCR signals and virus infectivity. A further challenge is the determination of live vs. dead organisms. Advances in this field are expected to impact the food production/testing industry and regulatory agencies alike.

The EU regulations do not provide indications for the virological risks. The need for adequate sampling plans for virological investigations in food matrices has arisen in recent years along with the understanding of the risks posed by viruses in food products. Evaluation of the microbiological contamination status is useful to define risk-based planning for official controls, whilst implementation of the management practices and knowledge of the prevalence of foodborne viruses in food could represent a contribution for assessing consumer exposure.

In this Special Issue, we will present the more relevant advances in epidemiology, development and/or improvement of rapid methods for the detection and/or identification of foodborne and waterborne viruses, and where possible, assessment of their infectivity.

Dr. Valentina Terio
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Applied Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Emerging foodborne viruses
  • HAV
  • HEV
  • NoV
  • Enteric viruses
  • Molecular methods
  • Food safety
  • risk assessment
  • food hygiene

Published Papers (2 papers)

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Research

7 pages, 231 KiB  
Article
Survival of a SARS-CoV-2 Surrogate on Flow-Pack Polyethylene and Polystyrene Food Trays at Refrigeration and Room Temperature Conditions
by Valentina Terio, Patrizio Lorusso, Marta Castrica, Annamaria Pandiscia, Dino Miraglia, Claudia Maria Balzaretti, Giuseppina Tantillo and Nicola Decaro
Appl. Sci. 2021, 11(9), 3977; https://doi.org/10.3390/app11093977 - 27 Apr 2021
Cited by 8 | Viewed by 1925
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the etiological agent of the current pandemic referred to as coronavirus disease 2019, is spread by direct and indirect transmission between humans, including contact with contaminated surfaces, frozen food, packaging materials, and storage environments. Food contamination [...] Read more.
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the etiological agent of the current pandemic referred to as coronavirus disease 2019, is spread by direct and indirect transmission between humans, including contact with contaminated surfaces, frozen food, packaging materials, and storage environments. Food contamination may occur in the “farm-to- table” lifecycle through contact with food handlers and environments. In the present study, the survival of a SARS-CoV-2 surrogate (feline coronavirus (FCoV)) at room temperature and refrigeration conditions for different time intervals on two types packaging widely used packaging, namely flow-pack polyethylene and polystyrene food trays, was investigated. FCoV was stable on the flow-pack polyethylene for 48 h and 120 h at room temperature and 4 °C, respectively, while it persisted on polystyrene food trays for 36 h at room temperature and for 120 h at +4 °C. The results of our study highlight the possible implications of food packaging in the spread of SARS-CoV-2 during the current pandemic. Full article
(This article belongs to the Special Issue Food-Borne and Water-Borne Viruses)
6 pages, 212 KiB  
Communication
First Report of Hepatitis E Virus in Shellfish in Southeast Italy
by Gianfranco La Bella, Maria Grazia Basanisi, Gaia Nobili, Valentina Terio, Elisabetta Suffredini and Giovanna La Salandra
Appl. Sci. 2021, 11(1), 43; https://doi.org/10.3390/app11010043 - 23 Dec 2020
Cited by 9 | Viewed by 1934
Abstract
Hepatitis E virus (HEV) represents one of the principal causative agents of hepatitis globally. Among the five HEV genotypes affecting humans, genotypes 3 and 4 are zoonotic and are the main source of hepatitis E in developed countries. HEV has been detected in [...] Read more.
Hepatitis E virus (HEV) represents one of the principal causative agents of hepatitis globally. Among the five HEV genotypes affecting humans, genotypes 3 and 4 are zoonotic and are the main source of hepatitis E in developed countries. HEV has been detected in several foods. The present work investigated the presence of this virus in shellfish sold at retail in the Apulia region of Italy. The presence of HEV RNA was assessed by real-time RT-PCR in 225 shellfish samples collected during 2018. Overall, two (0.89%) of these samples tested positive for HEV RNA. To our knowledge, this is the first notification of the detection of HEV in mussels sold at retail in the Apulia region. These data highlight the potential role of shellfish as a vehicle for the transmission of viral pathogens. Full article
(This article belongs to the Special Issue Food-Borne and Water-Borne Viruses)
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