Figure 1.

Epidemiological characteristics of the severe acute respiratory syndrome coronavirus 2 Omicron variant in South Korea. A, Epidemic curve of the daily Omicron cases based on the reporting date (N = 2351). B, The Omicron variant's transmission network in South Korea: transmission networks associated with the daycare in Daegu (n = 152; a), the daycare in North Jeolla province (n = 152; b), the kindergarten in North Jeolla province (n = 101; c), the church in Incheon (n = 61; d), and the United States Forces Korea (USFK) air base in North Jeolla province (n = 35; e). C, Harmonic mean of the arithmetic means of the estimated doubling time for the Omicron variant in South Korea, between 25 November 2021 and 8 January 2022, for each administrative division.