2. Kim KA, Lee A, Ki M, Jeong SH. Nationwide seropositivity of Hepatitis A in Republic of Korea from 2005 to 2014, before and after the outbreak peak in 2009. PLoS One. 2017; 12(1):e0170432.
3. Yoon JG, Choi MJ, Yoon JW, Noh JY, Song JY, Cheong HJ, et al. Seroprevalence and disease burden of acute hepatitis A in adult population in South Korea. PLoS One. 2017; 12(10):e0186257.
4. Krugman S, Ward R, Giles JP, Bodansky O, Jacobs AM. Infectious hepatitis: detection of virus during the incubation period and in clinically inapparent infection. N Engl J Med. 1959; 261(15):729–734.
5. Jenson HB. The changing picture of hepatitis A in the United States. Curr Opin Pediatr. 2004; 16(1):89–93.
6. Jacobsen KH, Wiersma ST. Hepatitis A virus seroprevalence by age and world region, 1990 and 2005. Vaccine. 2010; 28(41):6653–6657.
7. Shon C, Choi HY, Shim JJ, Park SY, Lee KS, Yoon SJ, et al. The economic burden of hepatitis A, B, and C in South Korea. Jpn J Infect Dis. 2016; 69(1):18–27.
8. Moon S, Han JH, Bae GR, Cho E, Kim B. Hepatitis A in Korea from 2011 to 2013: current epidemiologic status and regional distribution. J Korean Med Sci. 2016; 31(1):67–72.
9. Cooksley WG. What did we learn from the Shanghai hepatitis A epidemic? J Viral Hepat. 2000; 7:Suppl 1. 1–3.
10. Kim K, Jeong BG, Ki M, Park M, Park JK, Choi BY, et al. The costs of hepatitis A infections in South Korea. Epidemiol Health. 2014; 36:e2014011.
11. Sharapov UM, Bulkow LR, Negus SE, Spradling PR, Homan C, Drobeniuc J, et al. Persistence of hepatitis A vaccine induced seropositivity in infants and young children by maternal antibody status: 10-year follow-up. Hepatology. 2012; 56(2):516–522.
12. Yoon EL, Sinn DH, Lee HW, Kim JH. Current status and strategies for the control of viral hepatitis A in Korea. Clin Mol Hepatol. 2017; 23(3):196–204.
13. Heo JY, Song JY, Noh JY, Seo YB, Kim IS, Choi WS, et al. Low level of immunity against hepatitis A among Korean adolescents: vaccination rate and related factors. Am J Infect Control. 2013; 41(10):e97–100.
14. Whelan J, Sonder GJ, Bovée L, Speksnijder A, van den Hoek A. Evaluation of hepatitis A vaccine in post-exposure prophylaxis, The Netherlands, 2004–2012. PLoS One. 2013; 8(10):e78914.