Vaccinology: Horizons Across Disease, Demography and Technology (G1)
June 4-7, 2025  | Marriott Marquis Washington, DC, Washington, DC, United States
Rino Rappuoli, Kanta Subbarao, Laurence Zitvogel and Firdausi Qadri
Scholarship Deadline: Mar. 20, 2025 | Abstract Deadline: May. 15, 2025 | Early Registration Deadline: Apr. 17, 2025
* Session Chair † Invited but not yet accepted | Program current as of August 23, 2025 4 AM | For the most up-to-date details, visit https://www.keystonesymposia.org
Wednesday, June 4, 2025
7:00–8:00 PM Registration Foyer
Thursday, June 5, 2025
7:00–8:30 AM Registration Continues Foyer
7:30–8:30 AM Breakfast Independence Salons EFGH
8:00–8:30 AM Poster Setup Independence Salons EFGH
8:00–5:00 PM Poster Viewing Independence Salons EFGH
8:30–9:30 AM Welcome and Keynote Address Independence Salons ABCD
  * Rino Rappuoli, Fondazione Biotecnopolo di Siena
Session Chair
 
  Peter J. Hotez, Baylor College of Medicine
Vaccines and Immunizations in a Time of Global Boiling, Megacities, and Antiscience
 
9:30–9:40 AM Why Should I Trust You? Podcast Introduction Independence Salons ABCD
9:40–11:45 AM Learning the Molecular Immunology of mRNA Vaccines Independence Salons ABCD
  * Bali Pulendran, Stanford University School of Medicine
Comparative Responses to mRNA and Adjuvanted Vaccines
 
  Ali H Ellebedy, Washington University School of Medicine
B Cell Responses to mRNA Vaccination/Induction of New Epitopes
 
  * Rita Carsetti, Bambino Gesù Children Hospital
Early Immune Responses to Vaccination
 
  Michela Locci, University of Pennsylvania
Short Talk: Distinct Components of Nucleoside-modified Messenger RNA Vaccines Cooperate to Instruct Efficient T Follicular Helper Cell Responses
 
10:10–10:30 AM Coffee Break Foyer
11:45–12:45 PM Lunch Independence Salons EFGH
12:15–2:30 PM Poster Session 1 Independence Salons EFGH
2:30–4:30 PM Symposia Spotlight 1: Late-breaking research presentations selected from abstract submissions Independence Salons ABCD
  * Wolfgang W Leitner, National Institute of Allergy and Infectious Diseases, NIH, DHHS
Session Chair
 
  * Catherine J Wu, Dana-Farber Cancer Institute
Session Chair
 
  Artem Ashurov, University Hospital of Cologne
Remote Presentation: Structural Characterization of Antibodies for Synergistic HCMV Neutralization
 
  Namit Chaudhary, Scripps Research
Alumina-coated Microparticles Enable Extended Antigen Delivery of HIV Immunogens in a Single Shot
 
  Grace Freeman, National Institutes of Health
Isolation of Monoclonal Antibodies against H5Nx Influenza Viruses from Individuals Immunized with a Monovalent H5N1 Vaccine
 
  Grace Hendricks, University of Washington
Computationally Designed mRNA-launched Protein Nanoparticle Immunogens as an Integrated Vaccine Platform
 
  Fnu Alakesh, Stanford University
Understanding the Immune Landscape behind TLR-based Hydrogel Vaccines
 
  Sacha Zinn, Garvan Institute of Medical Research
Tailoring SARS-CoV-2 Humoral Responses using mRNA-encoded mAbs
 
  Giovanna de Brito Carneiro, Instituto Butantan
CyaA Vector Carrying Fragments of the Pneumococcal Surface Protein A as a Vaccine Candidate against Streptococcus Pneumoniae
 
  Hervé Besançon, University of California, San Diego
A STING-Adjuvanted Outer Membrane Vesicle Nanoparticle Vaccine Against Klebsiella pneumoniae
 
4:30–5:00 PM Coffee Available Foyer
5:00–7:00 PM Vaccines, Emerging Reality in Cancer Therapy Independence Salons ABCD
  * Laurence Zitvogel, Institut Gustave Roussy
Session Chair
 
  Catherine J Wu, Dana-Farber Cancer Institute
Personalized Cancer Vaccines: Updates and Encouraging Results
 
  * Ira Mellman, Parker Institute for Cancer Immunotherapy
Combining Checkpoints Inhibitor Immunotherapy and Personalized Vaccines
 
  Pirooz Zareie, The Peter Doherty Institute for Infection and Immunity, The University of Melbourne
Defining TRM Cell Fate: The Combined Influence of TCR Signaling and Tissue Instruction
 
  Shuang Chen, UT Southwestern Medical Center
Short Talk: Systemic STING Nanovaccine for HPV-Induced Cancer Therapy
 
  Xinbo Gao, Tianjin Medical University
Short Talk: Enhancing Pancreatic Cancer Vaccines with OX40 Agonist and PD-1 Inhibitor to Synergize Antitumor Immunity and Reshape the Immune Microenvironment
 
7:00–8:00 PM On Own for Dinner
Friday, June 6, 2025
7:30–8:30 AM Breakfast Independence Salons EFGH
8:30–11:30 AM Preparing for New Pandemics and Emerging Infections Independence Salons ABCD
  * Galit Alter, Ragon Institute of MGH, MIT, and Harvard
Session Chair
 
  Penny L Moore, University of the Witwatersrand and National Institute for Communicable Diseases
Remote Presentation: Views from the African Continent
 
  * Kanta Subbarao, Université Laval
WHO Strategy, One Health Considerations, Equity
 
  Cristina Cassetti, Independent Expert, Retired Division Deputy Director at NIAID
Prototype Vaccines
 
  Rino Rappuoli, Fondazione Biotecnopolo di Siena
An Institute for Pandemic Preparedness
 
  Masaru Kanekiyo, NIAID, NIH
Short Talk: A Mosaic Nanoparticle Displaying Stabilized Stem Trimers of Multiple Hemagglutinin Subtypes Elicits Broadly Cross-Reactive and Protective Immunity in Nonhuman Primates
 
  Nitesh Mishra, The Scripps Research Institute
Short Talk: Machine Learning Enabled Conformational Mapping Optimizes Lassa Virus Vaccine Candidates
 
9:30–9:50 AM Coffee Break Foyer
9:50–9:55 AM Award Recipient Acknowledgement Independence Salons ABCD
11:30–1:00 PM Poster Setup Independence Salons EFGH
11:30–2:45 PM On Own for Lunch
1:00–10:00 PM Poster Viewing Independence Salons EFGH
2:00–3:30 PM Career Roundtable Independence Salons ABCD
  Rita Carsetti, Bambino Gesù Children Hospital
Head, B cell Lab
 
  Mihai L Azoitei, Duke University
Associate Professor
 
  Meron Mengistu, Gilead Sciences
Principal Scientist
 
  Swapnika Ramu, Cell Press
Senior Scientific Editor
 
3:45–4:30 PM Panel Discussion: Transforming Early-Stage Vaccine Development Independence Salons ABCD
  * Rino Rappuoli, Fondazione Biotecnopolo di Siena
Panel Moderator
 
  John Tsang, Yale University School of Medicine
Panelist
 
  Neil P King, University of Washington
Panelist
 
  Nicole Lurie, Coalition for Epidemic Preparedness Innovations - CEPI
Panelist
 
4:30–5:00 PM Coffee Available Foyer
5:00–6:30 PM Understanding Mechanistic Immunology to Drive Vaccine Design Independence Salons ABCD
  * Michel C. Nussenzweig, HHMI/Rockefeller University
Germinal Center Selection
 
  * Emanuele Andreano, Fondazione Biotecnopolo di Siena
B Cell Responses
 
  Matthew J Wiest, University of Michigan
Short Talk: Heterologous Prime-pull Immunization Strategies for SARS-CoV-2 Drives Enhanced, Long-lived Mucosal and Systemic Cellular and Antibody Responses
 
  Vishal N Rao, Icahn School of Medicine at Mount Sinai
Short Talk: Convergent and Clonotype-enriched Mutations Drive Affinity Maturation of a Public Antibody
 
6:30–7:30 PM Social Hour with Lite Bites Independence Salons EFGH
7:30–10:00 PM Poster Session 2 Independence Salons EFGH
Saturday, June 7, 2025
7:30–8:30 AM Breakfast Independence Salons EFGH
8:30–11:30 AM Designing and Evaluating New Vaccines Independence Salons ABCD
  Jason S McLellan, The University of Texas at Austin
Structure Based Design
 
  Wolfgang W Leitner, National Institute of Allergy and Infectious Diseases, NIH, DHHS
NIAID Vaccine Adjuvant Program and New Trends in Adjuvant Research
 
  Galit Alter, Ragon Institute of MGH, MIT, and Harvard
Mechanistic and Non Mechanistic Correlates of Protection
 
  * Florian Krammer, Icahn School of Medicine at Mount Sinai
Development of Broadly Protective Vaccines to Antigenically Variable Viruses
 
  * Alessandro Sette, La Jolla Institute for Immunology
Short Talk: The Identification and Validation of Conserved T Cell Epitope Regions in Viral Pathogen Families with Pandemic Potential
 
  Mihai L Azoitei, Duke University
Short Talk: Development and Validation of Pan-Betacoronavirus Vaccine Candidates that Target the S2 Domain of Spike
 
9:30–9:50 AM Coffee Break Foyer
11:30–12:45 PM Innovations in Vaccine Science: Advancing Precision Medicine Independence Salons ABCD
  * Rino Rappuoli, Fondazione Biotecnopolo di Siena
Session Chair
 
  * Cristina Cassetti, Independent Expert, Retired Division Deputy Director at NIAID
Session Chair
 
  Courtney L Page, Wake Forest University School of Medicine
An Influenza HA-expressing mRNA-LNP vaccine induces potent and protective responses in newborn NHP
 
  Florian W Gegenfurtner, Karolinska Institutet
Antibody Responses to Pneumoviruses Fluctuate During Life – Implications for RSV Vaccination
 
  Murilo Sena Amaral, Instituto Butantan
Protection in Rhesus Macaques Against Schistosoma Mansoni Induced by a Multi-Epitope Vaccine Candidate
 
  Elizabeth M Villasis, Universidad Peruana Cayetano Heredia
Assessment of the Functional Role of Purified Antibodies from Asymptomatic P. vivax-infected Individuals from the Peruvian Amazon using P. Knowlesi in vitro Culture Model
 
  Kobporn Boonnak, Siriraj Hospital, Mahidol University
Characterization of Neutralizing Versus Binding Antibody and T Cell Responses to Varicellar-zoster Virus in the Elderly
 
12:45–3:00 PM On Own for Lunch
3:00–4:30 PM Symposia Spotlight 2: Late-breaking research presentations selected from abstract submissions Independence Salons ABCD
  * Marie Pancera, Fred Hutchinson Cancer Center
Structural Basis for Antibody Cross-neutralization of Dengue and Zika Viruses
 
  Natacha Madelon, University of Geneva
Reactogenicity to mRNA Vaccines is Linked to Heightened Inflammatory Responses Driven by Vaccine-specific Antibody Responses and Host-intrinsic Factors
 
  Maya Sangesland, National Institutes of Health
Functional, Immunogenetic, and Structural Convergence in Influenza Immunity between Humans and Macaques
 
  Bo Zhang, Fred Hutchinson Cancer Center
CD4+ T Cell Responses to Vaccination in People with HIV Correlate with Risk of COVID-19 in the CoVPN 3008 Clinical Trial
 
  Nicholas Cheang, National University of Singapore
Intranasal Dendritic Cell-targeting Vaccine Booster Elicits Cross-clade, Durable and Protective Systemic and Mucosal Immunity against Sarbecoviruses.
 
  * Sylvain Baize, Institut Pasteur
Immunogenicity and Efficacy of Vaccines against Crimean-Congo Hemorrhagic Fever Virus Based on Mopevac, a New Live-Attenuated Virus Vaccine Platform
 
4:30–5:00 PM Coffee Available Foyer
5:00–6:45 PM Exploiting Tissue Specific Protection to Prevention and Cure Independence Salons ABCD
  Yasmine Belkaid, Institut Pasteur
Immune Control of Host Physiology
 
  * Laurence Zitvogel, Institut Gustave Roussy
Gut Microbiota Impacts the Immunogenicity of Vaccines
 
  Christopher Chiu, Imperial College London
Clinical Trials for Intranasal and Aerosol SARS-CoV-2 Vaccine Development
 
  Kerrie Sandgren, Westmead Institute for Medical Research
Short Talk: Adjuvant As01 Activates an Innate Immune Cascade in Human Lymph Node Explants, Initiated by Subcapsular Sinus-Lining Macrophages, in an Age-Independent Manner
 
6:45–7:00 PM Meeting Wrap-Up: Outcomes and Future Directions (Organizers) Independence Salons ABCD
7:00–8:00 PM Social Hour with Lite Bites Independence Salons EFGH
8:00–9:00 PM Trivia Independence Salons ABCD
Sunday, June 8, 2025
12:00–11:59 PM Departure