Contact information
maheshi.ramasamy@paediatrics.ox.ac.uk
+44 1865 611400
Centre for Clinical Vaccinology and Tropical Medicine, Old Road, Oxford OX3 7LE.
Research groups
Colleges
Maheshi Ramasamy
MA (Cantab), MBBChir (Cantab), MRCP (UK), DPhil (Oxon)
Professor of Infection & Vaccinology
- Associate Director, Education & Communication | Oxford Vaccine Group
- Florey Lecturer and Fellow | Magdalen College
- Deputy Director of Graduate Entry Medicine | University of Oxford
- Consultant Physician | Oxford University Hospitals NHS Foundation Trust
Maheshi received her undergraduate medical training at Christ’s College, Cambridge. She subsequently trained as a junior doctor in Infectious Diseases and General Internal Medicine in Oxford, London and Australia and obtained a DPhil from Wadham College, Oxford.
As a Clinician Scientist at the Oxford Vaccine Group, Maheshi’s research focuses on developing novel vaccines for emerging pathogens including Lassa fever virus and invasive non-typhoidal Salmonella. She has a particular interest in controlled human infection models, both as a tool to understand the pathophysiology of disease and to inform vaccine design.
She leads the UK National Immunisation Schedule Evaluation Consortium and is a member of the Joint Committee on Vaccination and Immunisation (JCVI), advising the UK Department of Health and Social Care on immunisation policy.
Maheshi is the Director of the European Society for Clinical Microbiology and Infectious Diseases (ESCMID) Vaccine Subcommittee.
Recent publications
Securing the future of immunisation: ESCMID’s vision
Journal article
Ramasamy MN. et al, (2026), CMI Communications, 3, 105167 - 105167
Enablers and barriers to participation in vaccine trials: a narrative synthesis.
Journal article
Daniel N. et al, (2026), Vaccine, 73
Phase II multicentre double-blind randomised controlled trial of a Bivalent VaccInation against Salmonella Typhi and Paratyphi A (BiVISTA) using a controlled human infection model of paratyphoid A infection: study protocol.
Journal article
Paganotti Vicentine M. et al, (2026), BMJ Open, 16
Securing the future of immunisation: ESCMID's vision.
Journal article
Ramasamy MN. et al, (2025), Clin Microbiol Infect

