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Quantitative Analyses of all Influenza Type A Viral Hemagglutinins and Neuraminidases using Universal Antibodies in Simple Slot Blot Assays
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Tracking Public Attitudes Toward COVID-19 Vaccination on Tweets in Canada: Using Aspect-Based Sentiment Analysis.

Hyeju Jang1,2, Emily Rempel2, Ian Roe2

  • 1Department of Computer Science, University of British Columbia, Vancouver, BC, Canada.

Journal of Medical Internet Research
|March 11, 2022
PubMed
Summary

Twitter users in Canada expressed concerns about COVID-19 vaccine safety and distribution but viewed vaccination as key to ending the pandemic. Highly shared tweets showed more positive sentiment, highlighting distinct "anti-vaxxer" and "Covid Zero" user groups.

Keywords:
COVID-19CanadaTwitteraspect-based sentiment analysiscontent analysishealth promotionpandemicpublic healthpublic sentimentsentiment analysissocial mediavaccinationvaccination promotionvaccine rollout

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Area of Science:

  • Public Health
  • Social Media Analysis
  • Vaccinology

Background:

  • COVID-19 vaccine development offered hope for pandemic resolution.
  • Vaccine hesitancy and misinformation present significant obstacles to achieving herd immunity.

Purpose of the Study:

  • To analyze Canadian Twitter users' sentiments regarding COVID-19 vaccination post-rollout.
  • To understand public opinion dynamics influencing vaccine acceptance.

Main Methods:

  • Applied a weakly supervised aspect-based sentiment analysis (ABSA) on Canadian COVID-19 vaccination tweets.
  • Public health experts refined automatically generated terms for domain specificity and accuracy.
  • Inferred sentiments towards key aspects and tracked changes in vaccination sentiment over time.

Main Results:

  • Identified negative sentiments towards vaccine distribution, side effects, and anti-vaccination discourse, alongside positive sentiments for vaccine campaigns and immune response.
  • Twitter users showed safety concerns but still favored vaccines for pandemic control.
  • Most shared tweets exhibited significantly more positive sentiment towards vaccines and vaccination.

Conclusions:

  • Public sentiment on COVID-19 vaccination on Twitter reveals nuanced concerns and support.
  • Findings can guide public health interventions to enhance vaccine promotion strategies.