14:26 06/22/2024 Group infection of whooping cough at a middle school in Jeju… 2 patients, 44 contacts
07:52 06/6/2024 Characteristics of middle school students these days as seen by a middle school teacher (perm)
09:23 01/8/2024 Daegu Sindang Middle School closed after 61 last graduates due to a decrease in the number of students
