Volume 26, Number 10—October 2020
Dispatch
Effect of Nonpharmaceutical Interventions on Transmission of Severe Acute Respiratory Syndrome Coronavirus 2, South Korea, 2020
Figure 2

Figure 2. Incidence and estimated daily effective reproductive number (Rt ) of coronavirus disease in regions outside of Daegu-Gyeongsanbuk provincial region, South Korea, as of April 21, 2020. A) The epidemic curve shows the daily number of patients with confirmed cases and symptom onset. For case-patients who did not report any symptoms on the date of case confirmation (n = 1,205 cases; 60% of total), the date of confirmation was plotted instead. B) Daily estimated Rt and 95% CrI of Rt; shading indicates the area below the epidemic threshold of Rt = 1. The vertical dashed line indicates the start of the highest public alert on February 23, 2020. CrI, credible interval.