Sentiment analysis of the COVID-19 vaccine perception

Byeonghwa Park, In Suk Jang, Daehan Kwak

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

The sharp rise in coronavirus cases in the United States, as well as other countries, is driven by variants such as the Omicron substrain, BA4 and BA5. Keeping up to date with COVID-19 vaccination and wearing masks are essential tools for mitigating the pandemic. Social media plays a vital role in sharing and exchanging information, but it also affects perceptions of social phenomena. In this study, we conducted sentiment analysis and topic modeling to investigate vaccine perception using 338,465 COVID-19 vaccine-related comments collected from January 2020 to May 2021 on Reddit. This study stands apart from prior COVID-related research on social media, particularly on Reddit, as it conducted separate analyses for each COVID vaccine and examines public sentiment with various societal events, including vaccine development progress and government responses to COVID. The findings reveal two notable spikes in the number of comments containing the keyword “vaccine”. This suggests that discussions about vaccines tend to increase during times of significant social and political events, indicating that people’s attention and interest in the topic are influenced by current events. Understanding the public perception of vaccines and identifying factors influencing vaccine perception could help propose appropriate interventions to promote vaccination.

Original languageEnglish
JournalHealth Informatics Journal
Volume30
Issue number1
DOIs
StatePublished - 1 Jan 2024

Keywords

  • perception
  • sentiment analysis
  • social media
  • topic modeling
  • vaccine

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