Partisan Differences in Twitter Language Among US Legislators During the COVID-19 Pandemic: Cross-sectional Study

Sharath Chandra Guntuku   ^{1, 2, 3} , PhD ;   Jonathan Purtle   ⁴ , DrPH ;   Zachary F Meisel   ^{3, 5, 6} , MPH, MD ;   Raina M Merchant   ^{2, 3, 5, 6} , MD ;   Anish Agarwal   ^{2, 3, 5, 6} , MPH, MS, MD

¹ Department of Computer and Information Science, University of Pennsylvania, Philadelphia, PA, United States

² Penn Medicine Center for Digital Health, University of Pennsylvania, Philadelphia, PA, United States

³ Leonard Davis Institute of Health Economics, University of Pennsylvania, Philadelphia, PA, United States

⁴ Department of Health Management & Policy, Drexel University Dornsife School of Public Health, Philadelphia, PA, United States

⁵ Department of Emergency Medicine, University of Pennsylvania, Philadelphia, PA, United States

⁶ Center for Emergency Care Research and Policy, University of Pennsylvania, Philadelphia, PA, United States