Epidemic Investigation

Mathieu, Els; Sodahlon, Yao

doi:10.1016/b978-0-12-803678-5.00137-5

Cited by 4 publications

(2 citation statements)

References 18 publications

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“…If the occurrence of a particular disease increases in a community, possible changes in reporting guidelines, increases in disease awareness, and the introduction of a new test method should be considered before deciding whether the incidence of the disease per se has increased [ 10 , 14 , 15 ]. First, in our context, the possibility of an increase due to changes in reporting guidelines could be preferentially excluded, as the diagnostic criteria for reporting in the KDCA’s Legionella management guidelines for 2012, 2016, 2018, 2019, and 2020 had not changed [ 12 ].…”

Section: Discussionmentioning

confidence: 99%

“…However, since this change in interest was a nationwide phenomenon, it is not likely to explain the increased reporting of LD from Jeju Province as compared to the rest of the country. Last, the hypothesis that the increase in reported LD patients was due to the introduction of a new testing method is likely to be valid according to the simultaneous variability hypothesis-setting method [ 14 ], since the number of reports based on positive UAT results changed markedly around 2020.…”

Section: Discussionmentioning

confidence: 99%

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Trends of legionellosis reported in Jeju Province, Republic of Korea, 2015–2022

Park,

Bae

2023

PHRP

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Objectives: The number of reported cases of Legionnaires’ disease (LD) in the Republic of Korea surged nationally in 2016; however, in 2022, this number was higher in Jeju Province than the previous national peak. A descriptive epidemiological study was conducted to analyze trends in the incidence of reported LD cases in Jeju Island from 2015 to 2022.Methods: The data for this study were obtained from case reports submitted to the Korea Disease Control and Prevention Agency through its Disease and Health Integrated Management System. The selection criteria were cases or suspected cases of LD reported among Jeju residents between 2015 and 2022. The 95% confidence interval of the crude incidence rate was calculated using the Poisson distribution.Results: Since 2020, the incidence rate of LD in Jeju has risen sharply, showing a statistically significant difference from the national incidence rate. A particular medical institution in Jeju reported a significant number of LD cases. Screening with the urine antigen test (UAT) also increased significantly.Conclusion: Our findings indicate that the rapid increase in cases of LD in Jeju Province since 2020 was due to the characteristics of medical-care use among Jeju residents, which were focused on a specific medical institution. According to their clinical practice guidelines, this medical institution conducted UATs to screen patients suspected of pneumonia.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%