Quality assurance applied to animal disease surveillance systems

Salman, -; Stärk, K. D. C.; Zepeda, C.

doi:10.20506/rst.22.2.1431

Cited by 35 publications

(25 citation statements)

References 4 publications

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“…whether cattle went to normal slaughter, emergency slaughter or were cattle that died or were euthanised at the farm. Similarly, targeted surveillance was defined more generally as surveillance 'focusing the sampling on high-risk populations in which specific, commonly known risk factors exist' under the assumption that the event to be surveyed would be more common in the targeted population than in the general population (Salman et al, 2003). Assuming that the epidemiological intelligence is correct (i.e.…”

Section: Terminologymentioning

confidence: 99%

Concepts for risk-based surveillance in the field of veterinary medicine and veterinary public health: Review of current approaches

Stärk

Regula

Hernández

et al. 2006

BMC Health Serv Res

251

171

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Background: Emerging animal and zoonotic diseases and increasing international trade have resulted in an increased demand for veterinary surveillance systems. However, human and financial resources available to support government veterinary services are becoming more and more limited in many countries world-wide. Intuitively, issues that present higher risks merit higher priority for surveillance resources as investments will yield higher benefit-cost ratios. The rapid rate of acceptance of this core concept of risk-based surveillance has outpaced the development of its theoretical and practical bases.

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Section: Terminologymentioning

confidence: 99%

Concepts for risk-based surveillance in the field of veterinary medicine and veterinary public health: Review of current approaches

Stärk

Regula

Hernández

et al. 2006

BMC Health Serv Res

251

171

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show abstract

“…Both ‗surveillance' and ‗monitoring' as they are defined in the veterinary field (Noordhuizen et al, 2001;Salman et al, 2003) or by international bodies, such as the World Organisation for Animal Health (OIE) (Hassan, 2007) , the term ‗monitoring' will be applied to describe a system of collecting, analyzing and disseminating data on the occurrence of zoonoses, zoonotic agents and antimicrobial resistance related thereto. ‗Surveillance' is understood as the systematic ongoing collection, collation and analysis of information related to food safety and the timely dissemination of information to appropriate persons so that action can be taken.…”

Section: Terms Of Reference As Provided By Efsamentioning

confidence: 99%

“…Sensitivity also refers to the ability of the programme to detect outbreaks of disease, including the ability to monitor changes in the number of cases over time (Salman et al, 2003). Thus, for molecular-based monitoring in animals, feed and food, a sensitive programme is characterized by the ability to detect in a timely way changes, over time and space, in the genetic pattern of a bacterial population in a given animal/food/feed sources, such as the emergence of a new or unexpected subtype in a specific animal species.…”

Section: Other Performance Parameters Of Molecular-based Surveillancementioning

confidence: 99%

Scientific Opinion on the evaluation of molecular typing methods for major food-borne microbiological hazards and their use for attribution modelling, outbreak investigation and scanning surveillance: Part 2 (surveillance and data management activities)

Publication¹

2014

EFSA Journal

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Surveillance programmes based on active and harmonised sampling are considered the most suitable for foodborne outbreak investigations, hypothesis generation, early detection of emerging pathogen subtypes, attribution modelling and genetic studies of bacterial populations. Currently, prototype molecular databases are not widely linked and contain limited epidemiological data, therefore development of linkage mechanisms is a priority. A key technical requirement is determination of an agreed threshold value for the level of genetic variation amongst isolates that can still be regarded as epidemiologically-related. Molecular typing data should be coupled with a minimum required set of epidemiological data and datasets should be comparable to facilitate joint analyses in conjunction with human case data. Rules for assembling strain collections and associated provenance data should be agreed and introduced as EU standards. The data collection process and the characteristics of the data repository should ensure reproducibility and maximise compatibility and interoperability between different datasets. Molecular bacterial characterisation developments, particularly Whole Genome Sequencing (WGS), should be harmonised with those used for surveillance in the human population and food industry. Reference methods and materials, including sequence data, should be adopted for typing of food-borne pathogens. Upload of molecular data should only be allowed for approved laboratories and should be subject to External Quality Assessment. Ongoing international oversight is required to ensure a consensual ‗one-health' approach. The establishment of a joint EFSA-ECDC-EU-RLs committee for the support of cross-sectoral molecular surveillance, with a balance of public health and veterinary expertise and including both epidemiologists and microbiologists is strongly recommended. Revision of the legal basis of programmes for pathogen reduction based on historic organism nomenclature may be necessary following the increased use of WGS and the subsequent identification of more biologically relevant groupings of organisms. Following that request, the BIOHAZ Panel adopted, on 5 December 2013, a Scientific Opinion addressing the evaluation of molecular typing methods and their suitability for the different applications that were considered (EFSA, 2013a). Important conclusions of that Opinion were that data from strain characterisation should be linked with epidemiological data, that the selection of isolates must be unbiased and statistically representative of the population to be assessed and that international harmonisation of molecular characterisation outputs by means of standardisation or appropriate quality control procedures is essential. Important recommendations were that cross-sector (humans, food, food animals and related environments) and international coordination of method validation is required as a priority, and that development and improvement of international initiatives with regard to harmonised platforms for sharin...

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“…Early detection can elicit a rapid response by the Nigerian government and is critical if disease eradication must be achieved (Salman et al, 2003).…”

Section: Introductionmentioning

confidence: 99%

Estimating the sensitivity of passive surveillance for HPAI H5N1 in Bayelsa state, Nigeria

Ojimelukwe

Prakarnkamanant

Rushton

2016

Preventive Veterinary Medicine

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Quality assurance applied to animal disease surveillance systems

Cited by 35 publications

References 4 publications

Concepts for risk-based surveillance in the field of veterinary medicine and veterinary public health: Review of current approaches

Concepts for risk-based surveillance in the field of veterinary medicine and veterinary public health: Review of current approaches

Scientific Opinion on the evaluation of molecular typing methods for major food-borne microbiological hazards and their use for attribution modelling, outbreak investigation and scanning surveillance: Part 2 (surveillance and data management activities)

Estimating the sensitivity of passive surveillance for HPAI H5N1 in Bayelsa state, Nigeria

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