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. 2024 Mar 20;14(3):e081455. doi: 10.1136/bmjopen-2023-081455

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© Author(s) (or their employer(s)) 2024. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

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Sequential screenshot of chatbot intervention showing a question being answered, followed by options to ask further questions, and request a COVID-19 test kit to be mailed to the patient’s home.