Risk ranking of food categories associated with Salmonella enterica contamination in the central region of Mexico

To prevent and control foodborne diseases, there is a fundamental need to identify the foods that are most likely to cause illness. The goal of this study was to rank 25 commonly consumed food products associated with Salmonella enterica contamination in the Central Region of Mexico. A multicriteria decision analysis (MCDA) framework was developed to obtain an S. enterica risk score for each food product based on four criteria: probability of exposure to S. enterica through domestic food consumption (Se); S. enterica growth potential during home storage (Sg); per capita consumption (Pcc); and food attribution of S. enterica outbreak (So). Risk scores were calculated by the equation Se*W₁+Sg*W₂+Pcc*W₃+So*W₄, where each criterion was assigned a normalized value (1–5) and the relative weights (W) were defined by 22 experts’ opinion. Se had the largest effect on the risk score being the criterion with the highest weight (35%; IC95% 20%–60%), followed by So (24%; 5%–50%), Sg (23%; 10%–40%), and Pcc (18%; 10%–35%). The results identified chicken (4.4 ± 0.6), pork (4.2 ± 0.6), and beef (4.2 ± 0.5) as the highest risk foods, followed by seed fruits (3.6 ± 0.5), tropical fruits (3.4 ± 0.4), and dried fruits and nuts (3.4 ± 0.5), while the food products with the lowest risk were yogurt (2.1 ± 0.3), chorizo (2.1 ± 0.4), and cream (2.0 ± 0.3). Approaches with expert-based weighting and equal weighting showed good correlation (R² = 0.96) and did not show significant differences among the ranking order in the top 20 tier. This study can help risk managers select interventions and develop targeted surveillance programs against S. enterica in high-risk food products.     

The (postcolonial) return of grand theory in American sociology: Julian Go on postcolonial thought and social theory

Julian Go's BJS annual lecture is discussed in reference to his landmark OUP text Postcolonial Thought and Social Theory (2016). Go is one of the most prominent names in a "third wave" of post-colonial thought, now spearheading a post- (or de-) colonial turn in sociological theory, something that has professionally revived the sub-field of "grand" social theory in mainstream US sociology. While endorsing the aims and substantive themes of this turn, the review raises questions about the delayed timing of this post-colonial wave in the discipline, both relative to the humanities more generally, and to the impact of post-colonialism in other national contexts. Go's challenge is, in effect, something quite particular to teaching social theory in the US sociology context. The review goes on to question how effectively the critique speaks to mainstream empirical practitioners, given its lack of focus on transforming technical methods. It concludes by raising concerns about the relationship of Go and other "third wave" decolonial theorists to Marxism and Marxist politics.