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Epidemiol Health > Volume 39; 2017 > Article
Epidemiology and Health 2017;39: e2017041-0.
DOI: https://doi.org/10.4178/epih.e2017041    Published online September 6, 2017.
Relationship between shipping amounts of olive flounder aquacultured from Jejudo and the reported events of acute food poisoning by Kudoa septempunctata in 2015, South Korea: an ecological study
Jong-Myon Bae 
Department of Preventive Medicine, Jeju National University Scool of Medicine, Jeju, Korea
Correspondence  Jong-Myon Bae ,Email: jmbae@jejunu.ac.kr
Submitted: August 13, 2017  Accepted after revision: September 6, 2017
Abstract
OBJECTIVES:
Confirmation of Kudoa septempunctata (K. septempunctata) as the pathogenic agent causing acute food poisoning remains under debate owing to inconsistencies in the reproducibility of experimental evidence. Higher intake of olive flounder infected with K. septempunctata would result in increased diagnosis of food poisoning by K. septempunctata, if the latter was one of the causal agents of acute food poisoning. The aim was to evaluate the relationship between the shipping amount of olive flounder aquacultured from Jejudo and the incidence of K. septempunctata food poisoning in 2015, Korea.
METHODS:
Data of shipping amounts between March 2014 and February 2016 and of monthly reported events of Kudoa food poisoning were taken from Jejudo Fish-Culture Fisheries Cooperatives and Korea Centers for Disease Control and Prevention, respectively. Non-parametric correlation analyses were conducted.
RESULTS:
Shipping amounts indicated the seasonal changes according to variation of consumption. Spearman’s rho and Kendall’s tau-a between the monthly shipping amounts and the reported events in 2015 were 0.39 (p=0.21) and 0.27 (p=0.20), respectively.
CONCLUSIONS:
An independent relationship was noted between the shipping amount and the reported events, which contrasted with the claim that the virulence of K. septempunctata caused acute food poisoning.
Keywords: Virulence, Food parasitology, Parasitic intestinal diseases, Myxozoa, Ecological bias
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