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Corowa-kun: A messenger app chatbot delivers COVID-19 vaccine information in Japan

Japan has one of the highest vaccine hesitancy rates in the world. However, few studies have assessed how mobile messenger apps affect COVID-19 vaccine hesitancy. This study used a cross-sectional survey to assess the impact of text messages from Corowa-kun – a free chatbot – on COVID-19 vaccine hesitancy amongst users.

T.Kobayashietal.2022Corowa-kunDownload
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Related content

Projects
Evaluating the effectiveness of multilingual COVID-19 vaccine chatbots

This multisite research was designed to harness the power of social media to increase vaccination confidence and uptake in Thailand, Hong Kong, Singapore, and Japan.

Publications
Effect of a Mobile App Chatbot and an Interactive Small Group Webinar on COVID-19 Vaccine Intention and Confidence in Japan: A Randomised Clinical Trial

Little is known about how social media platforms can be used to increase COVID-19 vaccine intent. We aimed to investigate the effect of social media-based interventions on vaccine hesitancy in Japan.

Projects
Public Perceptions and Uptake of the COVID-19 vaccine in Asia-Pacific countries

To identify knowledge gaps, beliefs and attitudes in relation to the COVID-19 pandemic and COVID-19 vaccine acceptance among adults in the Asia-Pacific region, the Vaccine Confidence Project conducted two waves of quantitative research in 2021 and 2022.

Projects
Developing effective digital communications strategies for driving HPV vaccine uptake in Japan, Korea, and China

This research applies communication and behavioural theories to comprehensively assess confidence in and acceptance of HPV vaccines in Japan, Korea, and China amongst people who have not received the vaccine, in order to develop effective digital communication strategies to increase uptake.

Projects
ASSURE

Overview The Vaccine Confidence Project at the London School of Hygiene & Tropical Medicine, in partnership with Premise, developed ASSURE – Assessing Signals and Supporting Resilience.

Data Visualisations
Forecasting sub-national trends in COVID-19 vaccine uptake in the UK

In this study, we predict uptake of the COVID-19 vaccine at unprecedented spatial resolution across the UK.

Summary

Date

2022

Countries:
  • Japan
Topics:
  • Risk Communications
  • Drivers of and Barriers to Vaccination
  • Intervention Design
  • Big Data
  • Enabling Technologies
  • Quantitative Research
  • Statistical Analysis
  • Misinformation
  • Social Media
Journal:
  • Vaccine

Latest content

Publications
A vaccine chatbot intervention for parents to improve HPV vaccination uptake among middle school girls: a cluster randomized trial

This study assesses the effectiveness of a vaccine chatbot in improving human papillomavirus (HPV) vaccination among female middle school students aged 12–15 years across diverse socioeconomic settings in China, where HPV vaccination is primarily paid out-of-pocket.

Publications
Mapping global public perspectives on mRNA vaccines and therapeutics

We conducted a social listening analysis to assess attitudes towards mRNA vaccines and therapeutics on Twitter from June 2022 to May 2023. Our findings reveal widespread negative sentiment and a global lack of confidence in mRNA vaccines and therapeutics, with frequent discussions of severe vaccine side effects, rumors, and misinformation.

Data Visualisations
Mapping global public perspectives on Health AI

We conducted a social listening analysis to assess attitudes towards Health AI.

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