575 items found

Organisations: ORION Knowledge Hub Formats: Shared Definition

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  • GlossaryTerm

    Sensitivity

    sensitivity is the probability that a test correctly classifies positive individuals who have preclinical disease. Sensivity is expressed as a percentage: The number of...
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  • GlossaryTerm

    Bias

    The extent to which a prevalence estimate produced by the surveillance system deviates from the value of the true prevalence . Bias is reduced as representativeness is increased.
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  • GlossaryTerm

    Disease

    a situation in which infection has elicited signs and symptoms in the infected individual; the infection has become clinically apparent.
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  • GlossaryTerm

    Exposure

    epidemiological studies generally compare the frequency of disease in two (or more) groups according to a characteristic of interest that is usually called exposure. Those who...
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  • GlossaryTerm

    Fair Data

    Findable, accessible, interoperable and re-usable data
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  • GlossaryTerm

    Transmission

    Process by which a pathogen passes from a source of infection to a new host.
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  • GlossaryTerm

    Risk Assessment

    means the evaluation of the likelihood and the biological and economic consequences of entry, establishment and spread of a hazard
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  • GlossaryTerm

    Structural Interoperability

    Structural interoperability is an intermediate level that defines the structure or format of data exchange (i.e., the message format standards) where there is uniform movement...
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  • GlossaryTerm

    Qualitative Method

    A qualitative method is a method of analysis whose response is either the presence or absence of the analyte in a certain amount of sample.
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  • GlossaryTerm

    Risk- Based Sampling

    Designing a sampling strategy to reduce the cost or enhance the accuracy of surveillance by preferentially sampling strata (e.g. age groups or geographical areas) within the...
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  • GlossaryTerm

    Zoonotic Agent

    Any virus, bacteria, fungus, parasite or other biological entity that is likely to cause a zoonosis
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  • GlossaryTerm

    Pathogen

    an infectious agent that can produce disease, such as a prion, virus, bacterium, protozoan, fungus, plant or animal. Organism capable of causing a disease.
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  • GlossaryTerm

    Disease focus: Hazard-specific

    Surveillance that is focused on one or more pre-defined hazards; often using diagnostic tests for the detection of particular pathogens (e.g. molecular diagnostic tests).
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  • GlossaryTerm

    Place Of Exposure

    This is the location (‘setting’) where the food was consumed or where the final stages of preparation of the food vehicle took place (e.g. café/restaurant, institution, home,...
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  • GlossaryTerm

    Scope of surveillance activity: Component

    A single surveillance activity (defined by the source of data and the methods used for its collection) used to investigate the occurrence of one or more hazards in a specified...
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  • GlossaryTerm

    Origin of data: Enhanced passive

    see: Active surveillance
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  • GlossaryTerm

    Dendrogram

    A branching chart that indicates the evolutionary lineage or genetic relatedness of organisms
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  • GlossaryTerm

    West Nile Fever

    vector-borne zoonotic disease, spread by mosquitoes, Culex, can be found in humans, horses and birds
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  • GlossaryTerm

    One Health Surveillance (OHS) Infrastructure

    See "One Health Surveillanceharmonisation Infrastructure"
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  • GlossaryTerm

    Simplicity

    Refers to the surveillance system structure, ease of operation and flow of data through the system.
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