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.
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 CiteOpening editorial of BMJ Connections Immunology
Journal Article BMJ Connections Immunology · March 2026 Full text CiteRecent Grants
Mast Cells in Dengue Pathology and Prevention
ResearchPostdoc Scholar · Awarded by National Institutes of Health · 2013 - 2017View All Grants
Education
Duke University ·
2010
Ph.D.