A Comprehensive Analysis of COVID-19 Vaccine Discourse by Vaccine Brand on Twitter in Korea: Topic and Sentiment Analysis.

ABSTRACT:

Background

The unprecedented speed of COVID-19 vaccine development and approval has raised public concern about its safety. However, studies on public discourses and opinions on social media focusing on adverse events (AEs) related to COVID-19 vaccine are rare.

Objective

This study aimed to analyze Korean tweets about COVID-19 vaccines (Pfizer, Moderna, AstraZeneca, Janssen, and Novavax) after the vaccine rollout, explore the topics and sentiments of tweets regarding COVID-19 vaccines, and examine their changes over time. We also analyzed topics and sentiments focused on AEs related to vaccination using only tweets with terms about AEs.

Methods

We devised a sophisticated methodology consisting of 5 steps: keyword search on Twitter, data collection, data preprocessing,

SUBMITTER: Park S 

PROVIDER: S-EPMC9891356 | biostudies-literature | 2023 Jan

REPOSITORIES: biostudies-literature