An outbreak of hepatitis A associated with salted clams in Busan, Korea.

ABSTRACT:

Objectives

In July 2019, there were multiple reports on patients with hepatitis A among the visitors of a restaurant in Busan. The current study presents the results of an epidemiological investigation and outlines the supplementary measures that would help with hepatitis A control.

Methods

A cohort study was conducted for all 2,865 customers who visited restaurant A from June to July. Using a standardized questionnaire, participants reported the presence of hepatitis A symptoms and whether they had consumed any of 19 food items. As for participants who had visited public health centers, their specimens were collected.

Results

From the study cohort, 155 participants (5.4%) had confirmed hepatitis A. The epidemic curve was unimodal, and the median number of days from t

SUBMITTER: Son H 

PROVIDER: S-EPMC8989951 | biostudies-literature | 2022

REPOSITORIES: biostudies-literature