Increased Risk of Influenza Infection During Cold Spells in China: National Time Series Study

Haitao Wang   ^{1, 2} , PhD ;   Mengjie Geng   ³ , PhD ;   Tamara Schikowski   ⁴ , PhD ;   Ashtyn Tracey Areal   ⁴ , MSc ;   Kejia Hu   ⁵ , PhD ;   Wen Li   ^{1, 2} , MSc ;   Micheline de Sousa Zanotti Stagliorio Coelho   ⁶ , PhD ;   Paulo Hilário Nascimento Saldiva   ⁶ , PhD ;   Wei Sun   ⁷ , BMed ;   Chengchao Zhou   ^{8, 9} , PhD ;   Liang Lu   ^{2, 3} , PhD ;   Qi Zhao   ^{1, 2 *} , PhD ;   Wei Ma   ^{1, 2 *} , PhD

¹ Department of Epidemiology, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, China

² Shandong University Climate Change and Health Center, Jinan, China

³ Chinese Center for Disease Control and Prevention, Beijing, China

⁴ Department of Epidemiology, IUF-Leibniz Research Institute for Environmental Medicine, Düsseldorf, Germany

⁵ Department of Big Data in Health Science, School of Public Health, Zhejiang University, Hangzhou, China

⁶ Faculty of Medicine, University of São Paulo, São Paulo, Brazil

⁷ Taierzhuang Center for Disease Control and Prevention, Zaozhuang, China

⁸ Management and Policy, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, China

⁹ National Health Commission of China Key Laboratory of Health Economics and Policy Research, Shandong University, Jinan, China

*these authors contributed equally