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Contact information

Email
yiyuan.zhang@paediatrics.ox.ac.uk

Research groups

Oxford Vaccine Group

Yiyuan Zhang

Medical Statistician

Recent publications

The effect of pneumococcal conjugate vaccine and pneumococcal polysaccharide vaccine on nasopharyngeal colonisation following human infection challenge with serotype 3 and serotype 6B (PREVENTING PNEUMO 2): a double-masked, randomised, controlled, phase 4 trial.

Liatsikos K. et al, (2026), Lancet Microbe, 7

Impact of Dosing Interval on Immunogenicity Following a Heterologous Typhoid Conjugate Vaccine Booster in Nepalese Children: An Observational Study

Zhang Y. et al, (2026)

Persistence of Immune Responses 5 Years After Vaccination With a Single Dose of Typhoid Conjugate Vaccine (TCV) in Nepalese Children

Pant D. et al, (2026)

Eight-Year Vaccine Protection Following a Single Dose of VI-Tetanus Toxoid Conjugate Vaccine in Nepali Children: Extended Follow-Up of the TyVAC Nepal Randomised Controlled Trial

Pant D. et al, (2026)

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, 13, e1122 - e1131

More publications