- Results of contact tracing for SARS-CoV-2 Omicron sub-lineages (BA.4, BA.5, BA.2.75) and the household secondary attack risk
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Mi Yu, Sang-Eun Lee, Hye Young Lee, Hye-jin Kim, Yeong-Jun Song, Jian Jeong, Ae Kyung Park, Il-Hwan Kim, Eun-jin Kim, Young-Joon Park
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Osong Public Health Res Perspect. 2023;14(3):173-179. Published online June 22, 2023
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DOI: https://doi.org/10.24171/j.phrp.2022.0285
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 Graphical Abstract
 Abstract
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 - Objectives
This study aimed to assess the contact tracing outcomes of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Omicron sub-lineages BA.4, BA.5, and BA.2.75 within Republic of Korea, and to generate foundational data for responding to future novel variants.
Methods
We conducted investigations and contact tracing for 79 confirmed BA.4 cases, 396 confirmed BA.5 cases, and 152 confirmed BA.2.75 cases. These cases were identified through random sampling of both domestically confirmed and imported cases, with the goal of evaluating the pattern of occurrence and transmissibility.
Results
We detected 79 instances of Omicron sub-lineage BA.4 across a span of 46 days, 396 instances of Omicron sub-lineage BA.5 in 46 days, and 152 instances of Omicron sub-lineage BA.2.75 over 62 days. One patient with severe illness was confirmed among the BA.5 cases; however, there were no reports of severe illness in the confirmed BA.4 and BA.2.75 cases. The secondary attack risk among household contacts were 19.6% for BA.4, 27.8% for BA.5, and 24.3% for BA.2.75. No statistically significant difference was found between the Omicron sub-lineages.
Conclusion
BA.2.75 did not demonstrate a higher tendency for transmissibility, disease severity, or secondary attack risk within households when compared to BA.4 and BA.5. We will continue to monitor major SARS-CoV-2 variants, and we plan to enhance the disease control and response systems.
- The effectiveness of Paxlovid treatment in long-term care facilities in South Korea during the outbreak of the Omicron variant of SARS-CoV-2
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Hanul Park, Young Joon Park, Hye Young Lee, Mi Yu, Yeong-Jun Song, Sang Eun Lee, Ji-Joo Lee, Eun-Sol Lee, Yeonjung Kim
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Osong Public Health Res Perspect. 2022;13(6):443-447. Published online December 23, 2022
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DOI: https://doi.org/10.24171/j.phrp.2022.0262
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Graphical Abstract
Abstract
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On November 5, 2021, Pfizer Inc. announced Paxlovid (nirmatrelvir +ritonavir) asa treatment method that could reduce the risk of hospitalization or death for patients withconfirmed coronavirus disease 2019 (COVID-19).Methods: From February 6, 2022 to April 2, 2022, the incidence of COVID-19 and the effectsof treatment with Paxlovid were analyzed in 2,241 patients and workers at 5 long-term carefacilities during the outbreak of the Omicron variant of severe acute respiratory syndromecoronavirus 2 in South Korea.Results: The rate of severe illness or death in the group given Paxlovid was 51% lower thanthat of the non-Paxlovid group (adjusted risk ratio [aRR], 0.49; 95% confidence interval [CI],0.24−0.98). Compared to unvaccinated patients, patients who had completed 3 doses of thevaccine had a 71% reduced rate of severe illness or death (aRR, 0.29; 95% CI, 0.13−0.64) and a65% reduced death rate (aRR, 0.35; 95% CI, 0.15−0.79).Conclusion: Patients given Paxlovid showed a lower rate of severe illness or death and alower fatality rate than those who did not receive Paxlovid. Patients who received 3 dosesof the vaccine had a lower rate of severe illness or death and a lower fatality rate than theunvaccinated group.
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Citations
Citations to this article as recorded by  - COVID‐19 infection in patients with haematological malignancies: A single‐centre survey in the latest Omicron wave in China
Xiaolu Zhu, Qian Jiang, Jin Lu, Yuqian Sun, Xiaosu Zhao, Shenmiao Yang, Feifei Tang, Wenjing Yu, Ting Zhao, Xiaohong Liu, Jinsong Jia, Wenbing Duan, Lijuan Hu, Jing Wang, Yang Liu, Nan Peng, Xuelin Dou, Rui Ma, Qiang Fu, Huifang Wang, Kaiyan Liu, Xiaojun
British Journal of Haematology.2023; 202(1): 31. CrossRef - The association mental health of adolescents with economic impact during the COVID-19 pandemic: a 2020 Korean nationally representative survey
Hanul Park, Kang-Sook Lee
BMC Public Health.2023;[Epub] CrossRef - Efficacy and safety of paxlovid (nirmatrelvir/ritonavir) in the treatment of COVID‐19: An updated meta‐analysis and trial sequential analysis
Haokun Tian, Changsen Yang, Tiangang Song, Kechen Zhou, Lequan Wen, Ye Tian, Lirui Tang, Weikai Xu, Xinyuan Zhang
Reviews in Medical Virology.2023;[Epub] CrossRef - Real-World Effectiveness of Nirmatrelvir-Ritonavir and Its Acceptability in High-Risk COVID-19 Patients
Min-Kyung Kim, Kyung-Shin Lee, Sin Young Ham, Youn Young Choi, Eunyoung Lee, Seungjae Lee, Bora Lee, Jaehyun Jeon, BumSik Chin, Yeonjae Kim, Gayeon Kim, Hee-Chang Jang, Jae-Phil Choi, Sang-Won Park
Journal of Korean Medical Science.2023;[Epub] CrossRef
- A Preliminary Study to Determine Comprehensive Research and Development Plans for Promoting Mental Health Services
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Chul Eung Kim, Young-Mi Ko, Sang-Uk Lee, SungKu Choi, Kiwan Han, Se Jin Park, MinKyung Jo, Yu Kyong Park, Hye Young Lee, Subin Park
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Osong Public Health Res Perspect. 2018;9(6):314-324. Published online December 31, 2018
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DOI: https://doi.org/10.24171/j.phrp.2018.9.6.05
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Abstract
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Objectives
The aim of this study was to analyze research and development projects in mental health services in Korea, using priority evaluation of mental health promotion policies to determine direction of the service.
Methods
An online survey was conducted that targeted experts in the mental health service regarding promotion of mental health in Korea in 2016. The survey was based on 32 policy projects that resulted from 12 strategies according to 4 policy objectives.
Results
Analysis of 32 mental health projects were assessed regarding the possibility of technology development success, magnitude of the ripple effect, and necessity of a national response. It was observed that 3 policy projects relevant to suicide, had a high relative priority. This was followed by policies for improvement of health insurance and the medical benefit cost system, and policies for reinforcement of crisis psychological support such as those for disaster victims.
Conclusion
The prioritization of mental health services should place an emphasis on promotion of a healthy mental lifestyle, rehabilitation support for patients with serious mental illness, and reinforcement of social safety networks for suicide prevention.
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