All Stories

  1. Can Malaria Induce Loss of Vaccine Immunity?

    Article • The Journal of Infectious Diseases, July 2026, Oxford University Press (OUP)

    Gerco den Hartog

  2. Induction of Salivary IgA and IgG Responses by Parenteral PPV23 Vaccination in Older Adults

    Article • Open Forum Infectious Diseases, April 2026, Oxford University Press (OUP)

    Gerco den Hartog

  3. Humoral and cellular immune response after COVID-19 vaccination in patients with sickle cell disease on hydroxyurea

    Article • Blood Advances, November 2025, American Society of Hematology

    Gerco den Hartog

  4. Primary human nasal, nasopharyngeal, and bronchial epithelia show distinct immune responses to various pathogens

    Article • Pathogens and Disease, September 2025, Oxford University Press (OUP)

    Gerco den Hartog

  5. Impact of host factors and invasive meningococci on bacterial adhesion, proliferation, primary nasal epithelial barrier function, and immune response

    Article • Microbiology Spectrum, August 2025, ASM Journals

    Gerco den Hartog

  6. Decay Rates of Maternal Tetanus, Diphtheria, and Pertussis Antibody Levels in Early and Moderate-to-Late Preterm and Term Infants at Birth and at Two Months

    Article • Open Forum Infectious Diseases, December 2024, Oxford University Press (OUP)

    Gerco den Hartog

  7. Contact behaviour before, during and after the COVID-19 pandemic in the Netherlands: evidence from contact surveys, 2016 to 2017 and 2020 to 2023

    Article • Eurosurveillance, October 2024, European Centre for Disease Control and Prevention (ECDC)

    Gerco den Hartog

  8. SARS‐CoV‐2 Seroprevalence Trends in the Netherlands in the Variant of Concern Era: Input for Future Response

    Article • Influenza and Other Respiratory Viruses, June 2024, Wiley

    Gerco den Hartog

  9. Exploring host-commensal-pathogen dynamics in cell line and organotypic human intestinal epithelial models

    Article • iScience, May 2024, Elsevier

    Gerco den Hartog

  10. The impact of SARS-CoV-2 on fatigue and quality of life in the early phase of the pandemic: prevalence of post COVID-19 condition among unvaccinated individuals in a Dutch population-based serosurveillance cohort

    Article • March 2024, Cold Spring Harbor Laboratory Press

    Gerco den Hartog

  11. Contact behaviour before, during and after the COVID-19 pandemic in the Netherlands: evidence from contact surveys in 2016-2017 and 2020-2023

    Article • March 2024, Cold Spring Harbor Laboratory Press

    Gerco den Hartog

  12. Immunogenicity and reactogenicity of intradermal mRNA-1273 SARS-CoV-2 vaccination: a non-inferiority, randomized-controlled trial

    Article • npj Vaccines, January 2024, Springer Science + Business Media

    Gerco den Hartog

  13. Prevalence of human respiratory pathogens and associated mucosal cytokine levels in young children and adults: a cross-sectional observational study in the Netherlands during the winter of 2012/2013

    Article • Pathogens and Disease, January 2024, Oxford University Press (OUP)

    Gerco den Hartog

  14. Ecological interactions between host, commensal and pathogenic bacteria in models for the intestinal epithelium

    Article • November 2023, Cold Spring Harbor Laboratory Press

    Gerco den Hartog

  15. COVID-19 vaccination-induced antibody responses and waning by age and comorbidity status in a large population-based prospective cohort study

    Article • October 2023, Cold Spring Harbor Laboratory Press

    Gerco den Hartog

  16. Association between common adverse events after COVID-19 vaccination and anti-SARS-CoV-2 antibody concentrations in a population-based prospective cohort study in the Netherlands

    Article • October 2023, Cold Spring Harbor Laboratory Press

    Gerco den Hartog

  17. Effects of COVID-19 vaccination and previous infection on Omicron SARS-CoV-2 infection and relation with serology

    Article • Nature Communications, August 2023, Springer Science + Business Media

    Gerco den Hartog

  18. Factors associated with long-term antibody response after COVID-19 vaccination in patients treated with systemic treatment for solid tumors

    Article • ESMO Open, August 2023, Elsevier

    Gerco den Hartog

  19. Vaccine effectiveness of primary and booster COVID-19 vaccinations against SARS-CoV-2 infection in the Netherlands from July 12, 2021 to June 6, 2022: A prospective cohort study

    Article • International Journal of Infectious Diseases, August 2023, Elsevier

    Gerco den Hartog

  20. Fourth mRNA COVID-19 vaccination in immunocompromised patients with haematological malignancies (COBRA KAI): a cohort study

    Article • EClinicalMedicine, July 2023, Elsevier

    Gerco den Hartog

  21. Age-specific severity of SARS-CoV-2 in February 2020 – June 2021 in the Netherlands

    Article • February 2023, Cold Spring Harbor Laboratory Press

    Gerco den Hartog

  22. Effectiveness of bivalent mRNA booster vaccination against SARS-CoV-2 Omicron infection in the Netherlands, September to December 2022

    Article • February 2023, Cold Spring Harbor Laboratory Press

    Gerco den Hartog

  23. The effect of previous SARS-CoV-2 infection and COVID-19 vaccination on SARS-CoV-2 Omicron infection and relation with serological response – a prospective cohort study

    Article • January 2023, Cold Spring Harbor Laboratory Press

    Gerco den Hartog

  24. Vaccine effectiveness of primary and booster COVID-19 vaccinations against SARS-CoV-2 infection in the Netherlands from 12 July 2021 to 6 June 2022: a prospective cohort study

    Article • January 2023, Cold Spring Harbor Laboratory Press

    Gerco den Hartog

  25. Safety and Immunogenicity of Intradermal Fractional Dose Administration of the mRNA-1273 Vaccine: A Proof-of-Concept Study

    Article • Annals of Internal Medicine, December 2022, American College of Physicians

    Gerco den Hartog

  26. Reduced Antibody Acquisition with Increasing Age following Vaccination with BNT162b2: Results from Two Longitudinal Cohort Studies in The Netherlands

    Article • Vaccines, September 2022, MDPI AG

    Gerco den Hartog

  27. Decreased Antibody Response After Severe Acute Respiratory Syndrome Coronavirus 2 Vaccination in Patients With Down Syndrome

    Article • The Journal of Infectious Diseases, June 2022, Oxford University Press (OUP)

    Gerco den Hartog

  28. Design and baseline description of an observational population-based cohort study on COVID-19 vaccine effectiveness in the Netherlands - The VAccine Study COvid-19 (VASCO)

    Article • May 2022, Research Square

    Gerco den Hartog

  29. Three-dose mRNA-1273 vaccination schedule: sufficient antibody response in majority of immunocompromised hematology patients

    Article • April 2022, Cold Spring Harbor Laboratory Press

    Gerco den Hartog

  30. Quantitative analysis of mRNA-1273 COVID-19 vaccination response in immunocompromised adult hematology patients

    Article • Blood Advances, March 2022, American Society of Hematology

    Gerco den Hartog

  31. Chemokine profiling in children and adults with symptomatic and asymptomatic respiratory viral infections

    Article • Journal of Infection, December 2021, Elsevier

    Gerco den Hartog

  32. Circulation of Bordetella pertussis in the Caribbean Netherlands: a population-based seroepidemiological study

    Article • International Journal of Infectious Diseases, October 2021, Elsevier

    Gerco den Hartog

  33. Children and adults with mild COVID-19 symptoms develop memory T cell immunity to SARS-CoV-2

    Article • September 2021, Cold Spring Harbor Laboratory Press

    Gerco den Hartog

  34. Tolerability, safety and immunogenicity of intradermal delivery of a fractional dose mRNA-1273 SARS-CoV-2 vaccine in healthy adults as a dose sparing strategy

    Article • July 2021, Cold Spring Harbor Laboratory Press

    Gerco den Hartog

  35. SARS-CoV-2 variants of concern partially escape humoral but not T-cell responses in COVID-19 convalescent donors and vaccinees

    Article • Science Immunology, May 2021, American Association for the Advancement of Science

    Professor (Associate) Bart L. Haagmans, Gerco den Hartog

  36. Asthma-Associated Long TSLP Inhibits the Production of IgA

    Article • International Journal of Molecular Sciences, March 2021, MDPI AG

    Gerco den Hartog

  37. Persistence of Antibodies to Severe Acute Respiratory Syndrome Coronavirus 2 in Relation to Symptoms in a Nationwide Prospective Study

    Article • Clinical Infectious Diseases, February 2021, Oxford University Press (OUP)

    Gerco den Hartog

  38. Berberine and Obatoclax Inhibit SARS-Cov-2 Replication in Primary Human Nasal Epithelial Cells In Vitro

    Article • Viruses, February 2021, MDPI AG

    Gerco den Hartog

  39. Berberine and obatoclax inhibit SARS-CoV-2 replication in primary human nasal epithelial cells in vitro

    Article • December 2020, Cold Spring Harbor Laboratory Press

    Gerco den Hartog

  40. Nationwide seroprevalence of SARS-CoV-2 and identification of risk factors in the general population of the Netherlands during the first epidemic wave

    Article • Journal of Epidemiology & Community Health, November 2020, BMJ

    Gerco den Hartog

  41. Trimeric SARS-CoV-2 Spike Proteins Produced from CHO Cells in Bioreactors Are High-Quality Antigens

    Article • Processes, November 2020, MDPI AG

    Gerco den Hartog

  42. Antibody Responses to Respiratory Syncytial Virus: A Cross-Sectional Serosurveillance Study in the Dutch Population Focusing on Infants Younger Than 2 Years

    Article • The Journal of Infectious Diseases, September 2020, Oxford University Press (OUP)

    Gerco den Hartog

  43. SARS-CoV-2–Specific Antibody Detection for Seroepidemiology: A Multiplex Analysis Approach Accounting for Accurate Seroprevalence

    Article • The Journal of Infectious Diseases, August 2020, Oxford University Press (OUP)

    Gerco den Hartog

  44. SARS-CoV-2-specific antibody detection for sero-epidemiology: a multiplex analysis approach accounting for accurate seroprevalence

    Article • June 2020, Cold Spring Harbor Laboratory Press

    Gerco den Hartog

  45. Inhibition of IgA production by asthma-associated long TSLP

    Article • June 2020, Wiley

    Gerco den Hartog

  46. Immune surveillance for vaccine-preventable diseases

    Article • Expert Review of Vaccines, March 2020, Taylor & Francis

    Gerco den Hartog

  47. Bordetella pertussis Induces Interferon Gamma Production by Natural Killer Cells, Resulting in Chemoattraction by Respiratory Epithelial Cells

    Article • The Journal of Infectious Diseases, March 2020, Oxford University Press (OUP)

    Gerco den Hartog

  48. The development of a bead-based multiplex immunoassay for the detection of IgG antibodies to CMV and EBV

    Article • Journal of Immunological Methods, November 2018, Elsevier

    Gerco den Hartog

  49. BAFF augments IgA2 and IL‐10 production by TLR7/8 stimulated total peripheral blood B cells

    Article • European Journal of Immunology, October 2017, Wiley

    Gerco den Hartog

  50. Oxidative Stress Resulting From Helicobacter pylori Infection Contributes to Gastric Carcinogenesis

    Article • Cellular and Molecular Gastroenterology and Hepatology, May 2017, Elsevier

    Gerco den Hartog

  51. Intestinal immune maturation is accompanied by temporal changes in the composition of the microbiota

    Article • Beneficial Microbes, November 2016, Wageningen Academic Publishers

    Gerco den Hartog

  52. An alternative inhibition method for determining cross-reactive allergens

    Article • Clinical Chemistry and Laboratory Medicine (CCLM), July 2016, De Gruyter

    Gerco den Hartog

  53. 5 Regulation of Rac1 and Reactive Oxygen Species Production in Response to Helicobacter pylori Infection of Gastric Epithelium

    Article • Gastroenterology, April 2016, Elsevier

    Gerco den Hartog

  54. 973 Human Intestinal Epithelial Host Defense Against Pathogenic Bacterial Infections is Regulated by AP Endonuclease 1 (APE1/Ref-1)

    Article • Gastroenterology, April 2016, Elsevier

    Gerco den Hartog

  55. House dust mite-specific IgA2 is associated with protection against eczema in allergic patients

    Article • Allergy, January 2016, Wiley

    Gerco den Hartog

  56. Regulation of Rac1 and Reactive Oxygen Species Production in Response to Infection of Gastrointestinal Epithelia

    Article • PLoS Pathogens, January 2016, PLOS

    Dr. Asima Bhattacharyya, Gerco den Hartog

  57. Specificity and Effector Functions of Human RSV-Specific IgG from Bovine Milk

    Article • PLOS One, November 2014, PLOS

    Gerco den Hartog

  58. Ontogeny of the avian intestinal immunoglobulin repertoire: Modification in CDR3 length and conserved VH-pseudogene usage

    Article • Molecular Immunology, December 2013, Elsevier

    Gerco den Hartog

  59. The Mucosal Factors Retinoic Acid and TGF-β1 Induce Phenotypically and Functionally Distinct Dendritic Cell Types

    Article • International Archives of Allergy and Immunology, January 2013, Karger Publishers

    Gerco den Hartog

  60. Modulation of Human Immune Responses by Bovine Interleukin-10

    Article • PLOS One, March 2011, PLOS

    Gerco den Hartog

  61. Successive immunoglobulin and cytokine expression in the small intestine of juvenile chicken

    Article • Developmental & Comparative Immunology, December 2010, Elsevier

    Gerco den Hartog

  62. 4 Wat gebeurt er bij een allergie?

    Article • January 2010, Springer Science + Business Media

    Gerco den Hartog

  63. Relevance of IgA in allergy: regulation by mucosal factors

    Article • Wageningen UR Library

    Gerco den Hartog