Karen Tiley
MSc PhD
Senior Epidemiologist
Karen joined the Oxford Vaccine Group in September 2020 to work on a maternal-infant measles seroprevalence study.
She was previously based within the Immunisation Department at Public Health England where she completed a PhD by publication in diphtheria epidemiology in 2015.
Research interests include seroepidemiology, vaccine coverage for childhood and maternal vaccination programmes, and studies relating to pneumococcal carriage and disease.
Recent publications
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Pneumococcal carriage and disease in adults in England 2011-2019: the importance of adults as a reservoir for pneumococcus in communities.
Journal article
El Safadi D. et al, (2024), J Infect Dis
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Serum HCoV-spike specific antibodies do not protect against subsequent SARS-CoV-2 infection in children and adolescents.
Journal article
Ratcliffe H. et al, (2023), iScience, 26
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Nasopharyngeal Carriage of Pneumococcus in Children in England up to 10 Years After 13-Valent Pneumococcal Conjugate Vaccine Introduction: Persistence of Serotypes 3 and 19A and Emergence of 7C.
Journal article
Tiley KS. et al, (2022), The Journal of infectious diseases, 227, 610 - 621
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Equity of the Meningitis B vaccination programme in England, 2016–2018
Journal article
Tiley KS. et al, (2022), Vaccine
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Community seroprevalence of SARS-CoV-2 in children and adolescents in England, 2019-2021.
Journal article
Ratcliffe H. et al, (2022), Arch Dis Child