COVID-19 cases linked to unaccredited schools and facilities owned by missionary organization IM have risen to more than 300 as of Wednesday.

According to the Korea Disease Control and Prevention Agency(KDCA) on Wednesday, cases have surpassed 320 at schools, churches and other IM facilities located in Daejeon and Gwangju.

Most confirmed patients are students and faculty members.

KDCA has urged people who visited the IM missionary group, the TCS Ace International School in Gwangju or the IEM School in Daejeon to get tested as soon as possible.