Seesaw Effect Between COVID-19 and Influenza From 2020 to 2023 in World Health Organization Regions: Correlation Analysis

Qing Wang   ¹ , MPH ;   Mengmeng Jia   ¹ , MD ;   Mingyue Jiang   ¹ , MD ;   Wei Liu   ² , BSc ;   Jin Yang   ¹ , MM ;   Peixi Dai   ³ , BS ;   Yanxia Sun   ¹ , MD ;   Jie Qian   ¹ , MD ;   Weizhong Yang   ^{1 *} , MD ;   Luzhao Feng   ^{1 *} , MD, PhD

¹ School of Population Medicine and Public Health, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China

² Department of Statistics, Yunnan University, Kunming, China

³ Division of Infectious Diseases, Chinese Center for Disease Control and Prevention, Beijing, China

*these authors contributed equally