1. Korea Centers for Disease Control and Prevention (KCDC). Infectious Disease Portal. Available from <uri>http://www.cdc.go.kr/npt/biz/npp/portal/nppSumryMain.do?icdCd=C0022&icdgrpCd=03&icdSubgrpCd=.</uri> Accessed November 22 2018
2. Chosun. “I got the flu even though I got vaccinated”. WHO's missed prediction. Available from <uri>http://news.chosun.com/site/data/html_dir/2018/01/17/2018011701363.html</uri> Accessed November 22 2018
3. Centers for Disease Control and Prevention (CDC). Influenza (Flu). Available from <uri>https://www.cdc.gov/flu</uri> Accessed November 22 2018
4. Korean Index of Medical Specialties (KIMS). Ingredient information. Available from <uri>http://www.kimsonline.co.kr/drugcenter/generic/geninfo</uri> Accessed November 22 2018
5. Dailypharm. An epidemic of influenza;transition to generic competition...“Hanmiflu smiled”. Available from <uri>http://www.dailypharm.com/Users/News/NewsView.html?ID=237846&dpsearch=%C7%D1%B9%CC%C7%C3%B7%E7</uri> Accessed November 22 2018