Epidemiol Health.  2017;39:e2017041. 10.4178/epih.e2017041.

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

Affiliations
  • 1Department of Preventive Medicine, Jeju National University Scool of Medicine, Jeju, Korea. jmbae@jejunu.ac.kr

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.

Keyword

Virulence; Food parasitology; Parasitic intestinal diseases; Myxozoa; Ecological bias

MeSH Terms

Bias (Epidemiology)
Centers for Disease Control and Prevention (U.S.)
Diagnosis
Fisheries
Flounder*
Food Parasitology
Foodborne Diseases*
Incidence
Intestinal Diseases, Parasitic
Jeju-do*
Korea*
Myxozoa
Olea*
Seasons
Ships*
Virulence
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