Trend and Co-occurrence Network of COVID-19 Symptoms From Large-Scale Social Media Data: Infoveillance Study

Jiageng Wu   ^{1, 2 *} , MSc ;   Lumin Wang   ^{1, 2 *} , BA ;   Yining Hua   ^{3, 4} , MSc ;   Minghui Li   ^{1, 2} , BA ;   Li Zhou   ^{3, 4} , MD, PhD ;   David W Bates   ^{3, 4} , MD, PhD ;   Jie Yang   ^{1, 2} , PhD

¹ School of Public Health and the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China

² The Key Laboratory of Intelligent Preventive Medicine of Zhejiang Province, Hangzhou, China

³ Department of Biomedical Informatics, Harvard Medical School, Boston, MA, United States

⁴ Division of General Internal Medicine and Primary Care, Brigham and Women’s Hospital, Boston, MA, United States

*these authors contributed equally