Public sentiments toward COVID-19 vaccines in South African cities: An analysis of Twitter posts.
COVID-19
South Africa
sentiment analysis
tweets
vaccination
vaccine
vaccine hesitancy
Journal
Frontiers in public health
ISSN: 2296-2565
Titre abrégé: Front Public Health
Pays: Switzerland
ID NLM: 101616579
Informations de publication
Date de publication:
2022
2022
Historique:
received:
06
07
2022
accepted:
20
07
2022
entrez:
29
8
2022
pubmed:
30
8
2022
medline:
31
8
2022
Statut:
epublish
Résumé
Amidst the COVID-19 vaccination, Twitter is one of the most popular platforms for discussions about the COVID-19 vaccination. These types of discussions most times lead to a compromise of public confidence toward the vaccine. The text-based data generated by these discussions are used by researchers to extract topics and perform sentiment analysis at the provincial, country, or continent level without considering the local communities. The aim of this study is to use clustered geo-tagged Twitter posts to inform city-level variations in sentiments toward COVID-19 vaccine-related topics in the three largest South African cities (Cape Town, Durban, and Johannesburg). VADER, an NLP pre-trained model was used to label the Twitter posts according to their sentiments with their associated intensity scores. The outputs were validated using NB (0.68), LR (0.75), SVMs (0.70), DT (0.62), and KNN (0.56) machine learning classification algorithms. The number of new COVID-19 cases significantly positively correlated with the number of Tweets in South Africa (Corr = 0.462,
Identifiants
pubmed: 36033735
doi: 10.3389/fpubh.2022.987376
pmc: PMC9412204
doi:
Substances chimiques
COVID-19 Vaccines
0
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
987376Informations de copyright
Copyright © 2022 Ogbuokiri, Ahmadi, Bragazzi, Movahedi Nia, Mellado, Wu, Orbinski, Asgary and Kong.
Déclaration de conflit d'intérêts
The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.
Références
J Med Internet Res. 2021 Feb 12;23(2):e25734
pubmed: 33529153
Comput Biol Med. 2021 May;132:104336
pubmed: 33761419
Vaccines (Basel). 2021 Jan 07;9(1):
pubmed: 33430428
Front Public Health. 2022 Dec 02;10:952363
pubmed: 36530702
J Med Internet Res. 2021 Feb 10;23(2):e25431
pubmed: 33497352
Hum Vaccin Immunother. 2020 Nov 1;16(11):2586-2593
pubmed: 32693678
J Med Internet Res. 2021 Sep 24;23(9):e32685
pubmed: 34519654
Heliyon. 2021 Feb;7(2):e06200
pubmed: 33585707
Sci Rep. 2021 Jan 11;11(1):268
pubmed: 33432014
Postgrad Med J. 2022 Jul;98(1161):544-550
pubmed: 34373343
Expert Rev Vaccines. 2021 Aug;20(8):921-933
pubmed: 34252336
PLoS One. 2020 Jun 8;15(6):e0234023
pubmed: 32511260
Hum Vaccin Immunother. 2018;14(10):2355-2357
pubmed: 29617173
Physica A. 2021 May 15;570:125788
pubmed: 33551542
Expert Rev Vaccines. 2022 Apr;21(4):549-559
pubmed: 34990311
Hum Vaccin Immunother. 2022 Dec 31;18(1):1-3
pubmed: 33684019
J Prev Med Public Health. 2020 May;53(3):171-174
pubmed: 32498140
J Am Pharm Assoc (2003). 2021 Nov-Dec;61(6):709-714.e1
pubmed: 34092517