A chatbot informed by behavioural science increases vaccination rates more than a simple reminder


A behaviourally informed WhatsApp chatbot that encouraged people in Argentina to get the next dose of the COVID-19 vaccine more than tripled vaccination rates, and nearly doubled them compared to a one-way message reminder. The chatbot has several features built in that helped people to find out where, when and how to get the vaccine.

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Fig. 1: The effect of the behaviourally informed chatbot on uptake of the COVID-19 vaccine in Chaco province, Argentina.

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This is a summary of: Brown, D. et al. A behaviourally informed chatbot increases vaccination rates in Argentina more than a one-way reminder. Nat. Hum. Behav. https://doi.org/10.1038/s41562-024-01985-7 (2024).

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A chatbot informed by behavioural science increases vaccination rates more than a simple reminder.
Nat Hum Behav (2024). https://doi.org/10.1038/s41562-024-01986-6

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  • Published: 21 October 2024

  • DOI: https://doi.org/10.1038/s41562-024-01986-6


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