"The number of confirmed cases increased on 19 February by 20, and on 20 February by 58 or 70, giving a total of 346 confirmed cases on 21 February 2020, according to the Centers for Disease Control and Prevention Korea (KCDC), with the sudden jump mostly attributed to ""Patient 31"" who participated in a gathering at a Shincheonji Church of Jesus the Temple of the Tabernacle of the Testimony church in Daegu."