Journal
DIABETES & METABOLIC SYNDROME-CLINICAL RESEARCH & REVIEWS
Volume 16, Issue 1, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.dsx.2021.102367
Keywords
SARS-CoV-2; COVID-19; Public health; Vaccination; Sentiment analysis
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This study assessed Persian tweets to analyze Iranian people's views toward COVID-19 vaccination and compare their views toward homegrown and imported vaccines. The results showed a subtle difference in positive sentiments between the two types of vaccines, with the imported vaccines having a dominant positive polarity. Negative sentiments toward both homegrown and imported vaccines appeared to increase in certain months. No significant differences were observed in the overall percentage of positive and negative opinions toward vaccination among Iranian people.
Background and aims: The development of vaccines against COVID-19 has been a global purpose since the World Health Organization declared the pandemic. People usually use social media, especially Twitter, to transfer knowledge and beliefs on global concerns like COVID-19-vaccination, hence, Twitter is a good source for investigating public opinions. The present study aimed to assess Persian tweets to (1) analyze Iranian people's view toward COVID-19 vaccination. (2) Compare Iranian views toward a homegrown and imported COVID-19-vaccines. Methods: First, a total of 803278 Persian tweets were retrieved from Twitter, mentioning COVIran Barekat (the homegrown vaccine), Pfizer/BioNTech, AstraZeneca/Oxford, Moderna, and Sinopharm (imported vaccines) between April 1, 2021 and September 30, 2021. Then, we identified sentiments of retrieved tweets using a deep learning sentiment analysis model based on CNN-LSTM architecture. Finally, we investigated Iranian views toward COVID-19-vaccination. Results: (1) We found a subtle difference in the number of positive sentiments toward the homegrown and foreign vaccines, and the latter had the dominant positive polarity. (2) The negative sentiment regarding homegrown and imported vaccines seems to be increasing in some months. (3) We also observed no significant differences between the percentage of overall positive and negative opinions toward vaccination amongst Iranian people. Conclusions: It is worrisome that the negative sentiment toward homegrown and imported vaccines increases in Iran in some months. Since public healthcare agencies aim to increase the uptake of COVID-19 vaccines to end the pandemic, they can focus on social media such as Twitter to promote positive messaging and decrease opposing views. (c) 2021 Diabetes India. Published by Elsevier Ltd. All rights reserved.
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