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Categorizing Vaccine Confidence With a Transformer-Based Machine Learning Model: Analysis of Nuances of Vaccine Sentiment in Twitter Discourse

In this study, we aimed to build upon recent advances in Transformer-based machine learning methods, and test if this could be used as a tool to assess the stance of social media posts towards vaccination during pregnancy.

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Related content

Projects
Global Attitudes Toward Maternal Vaccination

Maternal vaccination offers the potential to tackle the sustainable development goal 3 (SDG3) to reduce neonatal and maternal vaccination globally.

Publications
Factors that influence vaccination decision making among pregnant women: A systematic review and meta-analysis

This is the first systematic review and meta-analysis to examine the strength of the relationships between…

Publications
Exploratory study of the global intent to accept COVID-19 vaccinations

Between October 31, 2020 and December 15, 2020, 26,759 individuals were surveyed across 32 countries via nationally representative survey designs.

Publications
A survey of COVID-19 vaccine acceptance across 23 countries in 2022

Our third study of COVID-19 vaccine hesitancy among 23,000 respondents in 23 countries, surveyed from 29 June to 10 July 2022 found willingness to accept vaccination at 79.1%, up 5.2% from June 2021.

Projects
IRIS Academic Research Group

The IRIS Academic Research Group was founded by some of the world’s leading researchers and academic institutions and launched in June 2021 at the inaugural Global Vaccine Confidence Summit as part of the UK government’s G7 Presidency.

Projects
Building Confidence in Routine Immunisation

The UNICEF Regional Office for Europe and Central Asia (UNICEF ECARO) and the VCP worked in partnership to better understand the impact of social media on caregivers’ attitudes, beliefs, trust, immunisation intention and uptake.

Summary

Date:

April 2021

Countries:
  • Brazil
  • Taiwan
  • Spain
  • Canada
  • UK
  • France
  • USA
  • Germany
  • India
  • Italy
  • Mexico
  • Australia
  • Panama
  • South Africa
  • South Korea
Topics:
  • Social Media
  • Big Data
  • Maternal Vaccination
  • Region - Europe
  • Region - North America
  • Region - Australasia
  • Region - South America
  • Region - Asia
Authors:
  • Dada, S
  • Paterson, P
  • Martin, S
  • Kummervold, PE
  • Kilich, E
  • Denny, C
  • Larson, HJ
Journal:
  • JMIR Medical Informatics

Latest content

Media and commentary
Professor Heidi Larson: Building Bridges of Trust towards Restoring Vaccine Confidence

VCP founder Heidi J. Larson named one of the most dynamic business women shaping the future for her role in building bridges of trust in the fight against misinformation and vaccine hesitancy.

Video and events
Stating The Facts: The Rise of Misinformation and Distrust in Science

In this Global Health Coffee Session at the Harvard Global Health Institute, VCP founder Heidi J. Larson unpacks how misinformation spreads and strategies for rebuilding public trust in public health in a time of doubt.

Publications
Drivers of HPV vaccine hesitancy in New York and Florida

This study aimed to identify drivers of HPV vaccine hesitancy and effective public health interventions to increase HPV vaccination rates in two U.S. states (New York and Florida). The findings provide insights into the impact of demographics, state policies, and vaccine confidence on HPV vaccination.

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