ELIZA

return kwic search for levels out of >500 occurrences
501283 occurrences (No.27 in the rank) during 5 years in the PubMed. [cache]

363) Some published qualitative IRAs have assumed current levels and patterns of trade without specifying the volume of trade, which constrains the use of IRA to determine mitigation measures (to reduce risk to an acceptable level) and whether the principle of equivalence, fundamental to the SPS agreement, has been observed.

--- ABSTRACT ---

PMID:24237667 DOI:10.1111/tbed.12180

2015 Transboundary and emerging diseases

* Animal Disease Import Risk Analysis--a Review of Current Methods and Practice.

- The application of risk analysis to the spread of disease with international trade in animals and their products, that is, import risk analysis (IRA), has been largely driven by the Sanitary and Phytosanitary (SPS) agreement of the World Trade Organization (WTO). The degree to which the IRA standard established by the World Organization for Animal Health (OIE), and associated guidance, meets the needs of the SPS agreement is discussed. The use of scenario trees is the core modelling approach used to represent the steps necessary for the hazard to occur. There is scope to elaborate scenario trees for commodity IRA so that the quantity of hazard at each step is assessed, which is crucial to the likelihood of establishment. The dependence between exposure and establishment suggests that they should fall within the same subcomponent. IRA undertaken for trade reasons must include an assessment of consequences to meet SPS criteria, but guidance is sparse. The integration of epidemiological and economic modelling may open a path for better methods. Matrices have been used in qualitative IRA to combine estimates of entry and exposure, and consequences with likelihood, but this approach has flaws and better methods are needed. OIE IRA standards and guidance indicate that the volume of trade should be taken into account, but offer no detail. Some published qualitative IRAs have assumed current levels and patterns of trade without specifying the volume of trade, which constrains the use of IRA to determine mitigation measures (to reduce risk to an acceptable level) and whether the principle of equivalence, fundamental to the SPS agreement, has been observed. It is questionable whether qualitative IRA can meet all the criteria set out in the SPS agreement. Nevertheless, scope exists to elaborate the current standards and guidance, so they better serve the principle of science-based decision-making.

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(1)236 of	(8)5 at	(15)3 using	(22)2 especially
(2)40 null	(9)4 are	(16)3 while	(23)2 induced
(3)38 in	(10)4 by	(17)2 after	(24)2 or
(4)35 were	(11)4 may	(18)2 between	(25)2 to
(5)34 and	(12)4 on	(19)2 compared
(6)6 was	(13)3 did	(20)2 decreased
(7)5 as	(14)3 for	(21)2 during

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--- WordNet output for levels --- Overview of noun level The noun level has 8 senses (first 6 from tagged texts) 1. (69) degree, grade, level -- (a position on a scale of intensity or amount or quality; "a moderate grade of intelligence"; "a high level of care is required"; "it is all a matter of degree") 2. (22) grade, level, tier -- (a relative position or degree of value in a graded group; "lumber of the highest grade") 3. (15) degree, level, stage, point -- (a specific identifiable position in a continuum or series or especially in a process; "a remarkable degree of frankness"; "at what stage are the social sciences?") 4. (5) level -- (height above ground; "the water reached ankle level"; "the pictures were at the same level") 5. (1) level, spirit level -- (indicator that establishes the horizontal when a bubble is centered in a tube of liquid) 6. (1) horizontal surface, level -- (a flat surface at right angles to a plumb line; "park the car on the level") 7. level, layer, stratum -- (an abstract place usually conceived as having depth; "a good actor communicates on several levels"; "a simile has at least two layers of meaning"; "the mind functions on many strata simultaneously") 8. floor, level, storey, story -- (a structure consisting of a room or set of rooms at a single position along a vertical scale; "what level is the office on?") Overview of verb level The verb level has 6 senses (first 3 from tagged texts) 1. (4) level -- (aim at; "level criticism or charges at somebody") 2. (1) level, raze, rase, dismantle, tear down, take down, pull down -- (tear down so as to make flat with the ground; "The building was levelled") 3. (1) flush, level, even out, even -- (make level or straight; "level the ground") 4. charge, level, point -- (direct into a position for use; "point a gun"; "He charged his weapon at me") 5. level -- (talk frankly with; lay it on the line; "I have to level with you") 6. level, level off -- (become level or even; "The ground levelled off") --- WordNet end ---