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Ashley St John

Adjunct Associate Professor in the Department of Pathology
Pathology
Box 3010 Med Ctr, Durham, NC 27710
156 Jones Bldg, Durham, NC 27710

Overview


Ashley St. John is an Associate Professor at Duke-NUS Medical School and PI of the Laboratory of Immunity and Immune Pathology in the Programme in Emerging Infectious Diseases. She also holds appointments in the Department of Microbiology, National University of Singapore, Pathology Department, Duke University and SingHealth Duke-NUS Global Health Institute.

Dr St. John received her BS in Applied Biology from the Georgia Institute of Technology in 2004 and PhD in Immunology from Duke University in 2010 before completing her post-doctoral training at Duke-NUS in 2014. She is an expert in viral immunology, with a focus on immunity to vector-borne pathogens such as dengue and Zika viruses. She also has an interest in immune responses to respiratory viral pathogens such as respiratory syncytial virus and SARS-CoV-2. Her lab works on developing novel vaccination strategies, diagnostics, and therapeutics for infectious and allergic diseases.

Current Appointments & Affiliations


Adjunct Associate Professor in the Department of Pathology · 2020 - Present Pathology, Clinical Science Departments

Recent Publications


Immune mechanisms of congenital Zika syndrome.

Journal Article Sci Immunol · March 20, 2026 Zika virus (ZIKV) infection during pregnancy can adversely affect mother and child. ZIKV can vertically transmit from mother to fetus, especially during early pregnancy, to cause congenital Zika syndrome (CZS), which includes microcephaly, ocular and muscu ... Full text Link to item Cite

Opening editorial of BMJ Connections Immunology

Journal Article BMJ Connections Immunology · March 2026 Full text Cite
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Recent Grants


Mast Cells in Dengue Pathology and Prevention

ResearchPostdoc Scholar · Awarded by National Institutes of Health · 2013 - 2017

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Education


Duke University · 2010 Ph.D.