Fig. 2

Anti-HEV IgM detection rate in serum samples of patients sent to serology laboratory, Siriraj Hospital during 2015–2018. a Percentage of positive anti-HEV IgM serum samples sorted by gender per year, b Percentage of anti-HEV IgM positive sorted by age group per year, c Cumulative anti-HEV IgM detection rate during 2015–2018 in serum samples sorted by gender, d Cumulative anti-HEV IgM detection rate during 2015–2018 in serum samples sorted by age group