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Updated: Sep 5, 2025

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Published on: February 16, 2022
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COVIDSenti: A Large-Scale Benchmark Twitter Data Set for COVID-19 Sentiment Analysis.
Usman Naseem1, Imran Razzak2, Matloob Khushi1
1School of Computer ScienceThe University of Sydney Ultimo NSW 2006 Australia.
Summary
Early social media data reveals public panic and evolving opinions during the COVID-19 pandemic. Analysis of 90,000 tweets highlights the need for proactive public health communication to combat misinformation.
Area of Science:
- Public Health
- Social Media Analysis
- Computational Social Science
Background:
- The COVID-19 pandemic triggered widespread social media activity, leading to concerns about mass hysteria and misinformation.
- Assessing early information dissemination and public opinion shifts on social media is crucial for understanding pandemic responses.
Purpose of the Study:
- To analyze early information flows and public sentiment regarding COVID-19 on social media.
- To inform policy decisions on social media moderation and public health communication strategies.
Main Methods:
- Creation of a large-scale sentiment dataset (COVIDSENTI) with 90,000 COVID-19-related tweets from February-March 2020.
- Sentiment classification of tweets into positive, negative, and neutral categories using various features and classifiers.
Main Results:
- Negative opinions significantly influenced public sentiment during the early pandemic.
- Initial public support for lockdowns observed, with sentiment shifting by mid-March.
- The COVIDSENTI dataset provides valuable insights into early pandemic public opinion.
Conclusions:
- A proactive and agile public health presence is essential to counter negative sentiment on social media during pandemics.
- Effective social media moderation policies are needed to address misinformation.
- Understanding public opinion dynamics on social media is key to pandemic management.
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