Yiyuan Zhang
PhD, MSc, BSc
Medical Statistician
I joined the Oxford Vaccine Group Department of Paediatrics in 2020 after I obtained my PhD and MSc degrees in Statistics at the University of Warwick.
My PhD project is modelling telemonitored physical activity based on hidden Markov modelling with application to analysing circadian rhythm in shift workers.
Recent publications
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The validity of test-negative design for assessment of typhoid conjugate vaccine protection: comparison of estimates by different study designs using data from a cluster-randomised controlled trial.
Feng S. et al, (2025), Lancet Glob Health
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5-year vaccine protection following a single dose of Vi-tetanus toxoid conjugate vaccine in Bangladeshi children (TyVOID): a cluster randomised trial.
Qadri F. et al, (2024), Lancet, 404, 1419 - 1429
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Digital circadian and sleep health in individual hospital shift workers: A cross sectional telemonitoring study
Zhang Y. et al, (2022), eBioMedicine, 81, 104121 - 104121