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초록

Hepatitis A virus(HAV) infection is the major cause of acute hepatitis and has
been designated as a legal communicable disease since 2011 in South Korea. Annual
growth rate of HAV infections has become a public health concern and there was an
explosion of patients in 2019. In this study, we analyzed epidemiological data acquired
from April to September 2019 for cases involving groups of two or more people using
molecular tools. Collected samples were screened for HAV using RT-PCR and nested
PCR, VP1/P2A region of HAV were analyzed for the phylogenetic analysis using
MEGA X. Sixty-four persons were diagnosed as being positive with the genotype IA.