Fig. 4From: Real-time risk ranking of emerging epidemics based on optimized moving average prediction limit—taking the COVID-19 pandemic as an exampleAssessment of the infection risk level of the pandemic peak of the Omicron variant in US. A C3 values from December 13 to December 28, 2021; B MA values of daily growth trend from December 23, 2021 to January 27, 2022; C C1 values from Jan 28 to April 7, 2022; D MA values of daily growth trend from April 8 to July 5, 2022Back to article page