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. 2024 Jan 12;12(1):e002447. doi: 10.1136/fmch-2023-002447

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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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Declared symptom(s) from symptom onset to hospitalisation (n=312).*First symptom(s) declared by the patient. **Last symptom(s) declared by the patient prior to hospitalization.