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Heeyoung Lee 2 Articles
COVID-19 outbreak response at a nursing hospital in South Korea in the post-vaccination era, including an estimation of the effectiveness of the first shot of the Oxford-AstraZeneca COVID-19 vaccine (ChAdOx1-S)
Chanhee Kim, Geon Kang, Sun Gu Kang, Heeyoung Lee
Osong Public Health Res Perspect. 2022;13(2):114-122.   Published online April 26, 2022
DOI: https://doi.org/10.24171/j.phrp.2021.0262
  • 1,884 View
  • 68 Download
  • 1 Citations
AbstractAbstract PDF
Objectives
We descriptively reviewed a coronavirus disease 2019 (COVID-19) outbreak at a nursing hospital in Gyeonggi Province (South Korea) and assessed the effectiveness of the first dose of the Oxford-AstraZeneca vaccine in a real-world population. Methods: The general process of the epidemiological investigation included a public health intervention. The relative risk (RR) of vaccinated and unvaccinated groups was calculated and compared to confirm the risk of severe acute respiratory syndrome coronavirus-2 (SARSCoV-2) infection, and vaccine effectiveness was evaluated based on the calculated RR. Results: The population at risk was confined to ward E among 8 wards of Hospital X, where the outbreak occurred. This population comprised 55 people, including 39 patients, 12 nurses, and 4 caregivers, and 19 cases were identified. The RR between the vaccinated and unvaccinated groups was 0.04, resulting in a vaccine effectiveness of 95.3%. The vaccination rate of the nonpatients in ward E was the lowest in the entire hospital, whereas the overall vaccination rate of the combined patient and non-patient groups in ward E was the third lowest. Conclusion: The first dose of the Oxford-AstraZeneca vaccine (ChAdOx1-S) was effective in preventing SARS-CoV-2 infection. To prevent COVID-19 outbreaks in medical facilities, it is important to prioritize the vaccination of healthcare providers.

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  • COVID-19 Vaccination in Korea: Past, Present, and the Way Forward
    Eliel Nham, Joon Young Song, Ji Yun Noh, Hee Jin Cheong, Woo Joo Kim
    Journal of Korean Medical Science.2022;[Epub]     CrossRef
Foodborne Illness Outbreaks in Gyeonggi Province, Korea, Following Seafood Consumption Potentially Caused by Kudoa septempunctata between 2015 and 2016
Joon Jai Kim, Sukhyun Ryu, Heeyoung Lee
Osong Public Health Res Perspect. 2018;9(2):66-72.   Published online April 30, 2018
DOI: https://doi.org/10.24171/j.phrp.2018.9.2.05
  • 3,449 View
  • 69 Download
  • 8 Citations
AbstractAbstract PDF
Objectives

Investigations into foodborne illness, potentially caused by Kudoa septempunctata, has been ongoing in Korea since 2015. However, epidemiological analysis reporting and positive K septempunctata detection in feces in Korea has been limited. The aim of this study was to provide epidemiologic data analysis of possible food poisoning caused by K septempunctata in Korea.

Methods

This study reviewed 16 Kudoa outbreak investigation reports, including suspected cases between 2015 and 2016 in Gyeonggi province, Korea. Suspected Kudoa foodborne illness outbreak was defined as “evidence of K septempunctata in at least one sample.” The time and place of outbreak, patient symptoms and Kudoa (+) detection rate in feces was analyzed.

Results

Kudoa foodborne illness outbreaks occurred in most patients in August (22.6%) and in most outbreaks in April (25%). The attack rate was 53.9% and the average attack rate in patients who had consumed olive flounder was 64.7%. The average incubation period was 4.3 hours per outbreak. Diarrhea was the most common symptom which was reported by 91.5% patients. The Kudoa (+) detection rate in feces was 69.2% of cases.

Conclusion

Monthly distribution of Kudoa foodborne illness was different from previous studies. The Kudoa (+) detection rate in feces decreased rapidly between 25.5 and 28.5 hours of the time interval from food intake to epidemiologic survey. To identify effective period of time of investigation, we believe additional study with extended number of cases is necessary.

Citations

Citations to this article as recorded by  
  • Detection and characterization of Kudoa thunni from uncooked yellowfin tuna (Thunnus albacares) in Southeast Asia
    Truong Dinh Hoai, Doan Thi Nhinh, Nguyen Thi Huong Giang, Saengchan Senapin, Ha Thanh Dong
    Parasitology International.2022; 87: 102536.     CrossRef
  • Descriptive study of foodborne disease using disease monitoring data in Zhejiang Province, China, 2016–2020
    Xiaojuan Qi, Xialidan Alifu, Jiang Chen, Wenliang Luo, Jikai Wang, Yunxian Yu, Ronghua Zhang
    BMC Public Health.2022;[Epub]     CrossRef
  • A review of food poisoning caused by local food in Japan
    Takashi Watari, Takayuki Tachibana, Azusa Okada, Kasumi Nishikawa, Kazuya Otsuki, Nobuhiro Nagai, Haruki Abe, Yasuhisa Nakano, Soshi Takagi, Yu Amano
    Journal of General and Family Medicine.2021; 22(1): 15.     CrossRef
  • Recent (2011–2017) foodborne outbreak cases in the Republic of Korea compared to the United States: a review
    Sang-Oh Kim, Sang-Soon Kim
    Food Science and Biotechnology.2021; 30(2): 185.     CrossRef
  • A study on Kudoa septempunctata infection from sashimi and sushi of olive flounder Paralichthys olivaceus in Busan, South Korea
    Hee-soo Koo, Ji-young Park, Gyung-hye Sung, Eun-hee Park, Pyeong-tae Ku, Mi-ok Lee
    Fisheries and Aquatic Sciences.2021; 24(8): 277.     CrossRef
  • Effect of environmental factors on microbiological quality of oyster farming in Amazon estuaries
    Osnan Lennon Lameira Silva, Samara Maria Modesto Veríssimo, Adrianne Maria Brito Pinheiro da Rosa, Yuri Barbosa Iguchi, Emilia do Socorro Conceição de Lima Nunes, Carina Martins de Moraes, Carlos Alberto Martins Cordeiro, Diego de Arruda Xavier, Anne Suel
    Aquaculture Reports.2020; 18: 100437.     CrossRef
  • A new species Myxodavisia jejuensis n. sp. (Myxosporea: Sinuolineidae) isolated from cultured olive flounder Paralichthys olivaceus in South Korea
    Sang Phil Shin, Chang Nam Jin, Han Chang Sohn, Hiroshi Yokoyama, Jehee Lee
    Parasitology Research.2019; 118(11): 3105.     CrossRef
  • Kudoa ogawai (Myxosporea: Kudoidae) Infection in Cultured Olive Flounder Paralichthys olivaceus
    Sang Phil Shin, Chang Nam Jin, Han Chang Sohn, Jehee Lee
    The Korean Journal of Parasitology.2019; 57(4): 439.     CrossRef

PHRP : Osong Public Health and Research Perspectives