Fig. 2

Overall prevalence of ACT patients’ distributions and severity of COVID-19 infections. (a) Prevalence of ACT infusions prior COVID-19 surge with subsequent symptom outcomes by Sanky analysis. The cases outbreak occurred during the December 2022 trends to COVID-19 surge in Shanghai and Beijing, we have compared the roles of last ACT infusion prior to the end of December, 3 cases (35 − 16 = 19, 3/19,15.8%) in October and November developed the severe symptomatic manifestations whereas there was 1 case in December (1/16, 6.3%). (b) Correlation of ACT infused cycles with clinical symptomatic distributions. Characteristics of ACT patients cohort, including ACT cycles and symptom severity (n = 35)