Epidemiological characteristics of and containment measures for COVID-19 in Busan, Korea.

Objectives: To describe and evaluate epidemiological investigation results and containment measures implemented in Busan, where 108 cases were confirmed with coronavirus disease 2019 (COVID-19) between February 21, 2020 and March 24, 2020.

Methods: Any individual who tested positive for COVID-19 was classified as a confirmed case. Measures were taken to identify the source of infection and trace and quarantine contacts.

A large outbreak of Salmonella enterica serovar Thompson infections associated with chocolate cake in Busan, Korea.

Objectives: This study aimed to reveal the epidemiologic characteristics of the outbreak of gastroenteritis caused by Salmonella enterica serovar Thompson in Busan Metropolitan City and to identify points for improvement to prevent of food-borne disease outbreak.

Methods: This was a case-control study. The control group comprised asymptomatic students in the same classes of the cases.