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Risk assessment tools for Vibrio parahaemolyticus and Vibrio vulnificus associated with seafood

Risk assessment tools for Vibrio parahaemolyticus and Vibrio vulnificus associated with seafood
Author: Food and Agriculture Organization of the United Nations
Publisher: Food & Agriculture Org.
Total Pages: 86
Release: 2020-02-10
Genre: Technology & Engineering
ISBN: 9251320209

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There has been an increase in reported outbreaks and cases of foodborne disease attributed to pathogenic Vibrio species. As a result, there have been several instances where the presence of pathogenic Vibrio spp. in seafood has led to a disruption in international trade. A number of Vibrio spp. are increasingly being recognized as potential human pathogens. The food safety concerns associated with these microorganisms have led to the need for microbiological risk assessment for their control. This report provides the review of risk assessment of existing tools for V. parahaemolyticus and V. vulnificus in oysters and different bivalve molluscan species, the available information on testing methodology and recommend microbiological methods to monitor the levels of pathogenic Vibrio spp. in seafood and/or water. Such tools are envisioned to support countries in their efforts to use risk-based approaches in the selection of control measures appropriate for their seafood species, primary production and post-harvest practices. This volume and others in this Microbiological Risk Assessment Series contain information that is useful to both risk assessors and risk managers, the Codex Alimentarius Commission, governments and regulatory authorities, food producers and processers and other institutions and individuals with an interest in Vibrio spp. and its control.


Risk Assessment of Vibrio Parahaemolyticus in Seafood

Risk Assessment of Vibrio Parahaemolyticus in Seafood
Author:
Publisher: Food & Agriculture Org
Total Pages: 183
Release: 2011
Genre: Reference
ISBN: 9789251068748

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"Vibrio parahaemolyticus are common causes of diarrhoeal disease worldwide. These marine micro-organisms, native in estuarine waters globally, concentrate in the gut of filter-feeding molluscan shellfish, such as oysters, clams and mussels. Raw and undercooked seafood, including finfish, represent the principal vehicle of transmission to humans. This volume considers the applicability of an assessment of the public health impact of raw oyster consumption, developed in one country, to assess the public health risk associated with the consumption of raw oysters harvested in other countries where different growing and harvesting scenarios might exist. The approach is also applied to bloody clams and finfish to establish if such a risk assessment can also be adapted to other types of shellfish and finfish. This work is therefore divided in three parts focusing on (i) risk assessment of Vibrio parahaemolyticus in raw oysters, (ii) risk assessment of Vibrio parahaemolyticus in bloody clam and (iii) risk assessment of Vibrio parahaemolyticus in finfish. As well as providing insights on the risks associated with consumption of these commodities, the work also addresses how to make maximum use of existing and/or limited resources"--Page 4 of cover.


Selection and application of methods for the detection and enumeration of human-pathogenic halophilic Vibrio spp. in seafood

Selection and application of methods for the detection and enumeration of human-pathogenic halophilic Vibrio spp. in seafood
Author: Food and Agriculture Organization of the United Nations
Publisher: Food & Agriculture Org.
Total Pages: 91
Release: 2016-01-01
Genre: Political Science
ISBN: 9251093547

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One of the challenges to data collection to inform food safety decision making and monitor the implementation and efficacy of control measures to manage specific food safety is the availability of the appropriate methodology. The development of methods for the isolation and identific of pathogenic Vibrio spp. in seafoods is evolving quickly. This often means that methods become more sensitive and efficient but the cost may also increase. However the pace of development also means that there is not always adequate time to to comprehensively validate a method for a particular purpose. This publication aims to provide guidance on the selection on the most appropriate method to meet a particular purpose and how in a constantly changing environment some local validation work can be undertaken to ensure a method meets the current needs of a regulator, industry or risk assessor.


Risk Assessment of Vibrio Vulnificus in Raw Oysters

Risk Assessment of Vibrio Vulnificus in Raw Oysters
Author: World Health Organization
Publisher: World Health Organization
Total Pages: 136
Release: 2005
Genre: Health risk assessment
ISBN: 9241563109

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Vibrio vulnificus is one of three pathogenic Vibrio spp. on which FAO and WHO have undertaken risk assessment work. This pathogen is associated primarily with raw oysters but can occur in a variety of seafood products. As well as causing gastrointestinal illness, V. vulnificus can cause primary septicaemia which is a serious and often fatal disease in individuals with chronic pre-existing conditions. This volume provides an approach for undertaking quantitative risk assessment of V. vulnificus in raw oysters. This risk assessment model was also developed to evaluate the effectiveness of various interventions strategies aimed at reducing V. vulnificus levels in oysters and therefore the associated risk of illness.--Publisher's description.


Advances in science and risk assessment tools for Vibrio parahaemolyticus and V. vulnificus associated with seafood

Advances in science and risk assessment tools for Vibrio parahaemolyticus and V. vulnificus associated with seafood
Author: Food and Agriculture Organization of the United Nations
Publisher: Food & Agriculture Org.
Total Pages: 73
Release: 2021-07-20
Genre: Technology & Engineering
ISBN: 9251347395

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Globally, the Vibrio parahaemolyticus and Vibrio vulnificus represent important human pathogens associated with the consumption of seafood. In response to the requests for scientific advice from Codex Committee on Food Hygiene (CCFH), risk assessments for the pathogens V. vulnificus, V. cholerae, V. parahaemolyticus and guidance on methods for the detection of Vibrio spp. with seafood have been conducted and published previously by JEMRA. In order to provide an update on the state-of-the-art advice regarding risk assessment for V. parahaemolyticus and V. vulnificus in seafood, an expert meeting was convened. Several critical developments in the last decade were subsequently noted by the expert working group: 1) The emergence of highly pathogenic strains; 2) In response to climate change, there has been a significant geographical spread regarding when and where these seafood-associated Vibrio infections; 3) Demographic considerations are very important; 4) A range of new approaches for best practice; and 5) A range of new methods, such as those utilising genomics and satellite imagery. This report describes the output of that expert meeting.


Application of Risk Assessment in the Fish Industry

Application of Risk Assessment in the Fish Industry
Author: John Louis Sumner
Publisher: Food & Agriculture Org.
Total Pages: 92
Release: 2004
Genre: Business & Economics
ISBN: 9789251049518

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In recent years, the concept of risk has become paramount in international food regulation, and industries are increasingly required to undertake product risk assessment, particularly in the export arena. This publication has been developed as a complete package on how to undertake risk assessment for use by seafood technologists, regulators and health professionals. It is designed in five parts to guide the user through the risk assessment process. This publication also includes a CD-ROM : the Resources Bank - that provides extensive additional information for the would-be risk assessor.


Selection and Application of Methods for the Detection and Enumeration of Human--pathogenic Halophilic Vibrio Spp. in Seafood

Selection and Application of Methods for the Detection and Enumeration of Human--pathogenic Halophilic Vibrio Spp. in Seafood
Author: World Health Organization
Publisher: Microbiological Risk Assessmen
Total Pages: 0
Release: 2016
Genre: Medical
ISBN: 9789241565288

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One of the challenges in the development of global risk assessments for halophilic Vibrio spp. has been the availability of appropriate datasets from around the world which could be considered to be representative of the range of conditions under which halophilic Vibrio spp. grow and become a problem for seafood safety. Even when data are available, the different methodologies used to generate that data often make it difficult to compare and consolidate globally representative datasets. In order to begin addressing this the Codex Committee on Food Hygiene recommended that the range of test methods available for quantifying V. para-haemolyticus (total and pathogenic) and V. vulnificus in seawater and bivalves be looked at with a view to providing guidance that would facilitate performance evaluation of the methods. This document has been developed in response to that request and is intended to provide sufficient information on methods (but not details of the methods) to inform the selection of the most appropriate methods according to the potential end use of the data generated, for example, harvest area monitoring, post-harvest process verification, end product monitoring, and outbreak investigation.