1. Korea Disease Control and Prevention Agency, Ministry of Food and Drug Safety. Announcement of joint public-private investigation results on the safety of varicella vaccine. Updated 2024. Accessed July 11, 2024. https://www.kdca.go.kr/board/board.es?mid=a20501010000&bid=0015&list_no=725423&cg_code=&act=view&nPage=1&newsField=
2. Korea Disease Control and Prevention Agency. The KDCA had not disclosed any details regarding varicella vaccine safety before the assessment was complete. Updated 2024. Accessed July 11, 2024. https://www.kdca.go.kr/board/board.es?mid=a20501010000&bid=0015&list_no=725430&cg_code=&act=view&nPage=4&newsField=
3. Korea Disease Control and Prevention Agency. The epidemiological investigation did not support a causal relationship between the vaccine and the fatal case. Updated 2024. Accessed July 11, 2024. https://www.kdca.go.kr/board/board.es?mid=a20501010000&bid=0015&list_no=725444&cg_code=&act=view&nPage=4&newsField=
4. SK Bioscience. SK Bioscience launches chickenpox vaccine ‘SKYVaricella’. Updated 2018. Accessed June 16, 2024. https://www.skbioscience.com/kr/news/news_01_01?mode=view&id=5&page=2&category=content&q=%EC%8A%A4%EC%B9%B4%EC%9D%B4%EB%B0%94
5. European Medicines Agency. Guideline on good pharmacovigilance practices (GVP): Module IX – Signal management (Rev. 1). Updated 2017. Accessed June 16, 2024. https://www.ema.europa.eu/en/documents/scientific-guideline/guideline-good-pharmacovigilance-practices-gvp-module-ix-signal-management-rev-1_en.pdf