Evolving Face Mask Guidance During a Pandemic and Potential Harm to Public Perception: Infodemiology Study of Sentiment and Emotion on Twitter

Divya Ramjee   ^{1 *} , MS ;   Catherine C Pollack   ^{2 *} , PhD ;   Marie-Laure Charpignon   ³ , MS ;   Shagun Gupta   ⁴ , MEng ;   Jessica Malaty Rivera   ^{5, 6} , MS ;   Ghinwa El Hayek   ⁴ , MPH ;   Adam G Dunn   ⁷ , PhD ;   Angel N Desai   ⁸ , MPH, MD ;   Maimuna S Majumder   ^{5, 6} , MPH, PhD

¹ School of Public Affairs, American University, Washington, DC, United States

² Geisel School of Medicine, Dartmouth College, Lebanon, NH, United States

³ Institute for Data, Systems, and Society, Massachusetts Institute of Technology, Cambridge, MA, United States

⁴ Comp Epi Dispersed Volunteer Research Network, Boston, MA, United States

⁵ Boston Children’s Hospital, Boston, MA, United States

⁶ Harvard Medical School, Boston, MA, United States

⁷ School of Medical Sciences, The University of Sydney, Sydney, Australia

⁸ Department of Internal Medicine, Division of Infectious Diseases, University of California-Davis Health Medical Center, Sacramento, CA, United States

*these authors contributed equally