University of California, Berkeley

Researchers looked at COVID-19 related tweets in 8 physician created communities on Twitter. between March 11 ,2020 and September 27, 2020. These were denoted by the hashtags #4rheum, #4MD, #4MDs, #2, #4MD, #4MDs, and #19Kidney. All of these hastags were either created on March 11 or March 12 of 2020 in order to create communities of physicians / medical professionals to share reliable research and information. 
These tweets (27071) were downloaded using an application coded in Java, stored, translated into English if not already, and then categorized into 5 domains (Diagnostics, Pathophysiology, Prevention, Symptoms, and Therapeutics) and 84 subdomains. Any tweet that could not be categorized was considered noise.

The COVID-19 Infodemic: The complex task of elevating signal and eliminating noise - methodology

Desai, T., & Conjeevaram, A. (2021). The COVID-19 Infodemic: The complex task of elevating signal and eliminating noise. medRxiv. https://europepmc.org/article/ppr/ppr269180

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