Durability of Immune Responses After Boosting in Ad26.COV2.S-Primed Healthcare Workers

Author:

Sablerolles Roos S G12ORCID,Rietdijk Wim J R2,Goorhuis Abraham34,Postma Douwe F5,Visser Leo G6,Schmitz Katharina S7,Geers Daryl7,Bogers Susanne7,van Haren Eva2,Koopmans Marion P G7,Dalm Virgil A S H8,Kootstra Neeltje A9,Huckriede Anke L W10,Akkerman Renate10,Beukema Martin10,Lafeber Melvin1,van Baarle Debbie1011,de Vries Rory D7,van der Kuy P Hugo M2,GeurtsvanKessel Corine H7,

Affiliation:

1. Department of Internal Medicine, Erasmus Medical Center , Rotterdam , The Netherlands

2. Department of Hospital Pharmacy, Erasmus Medical Center , Rotterdam , The Netherlands

3. Center of Tropical Medicine and Travel Medicine, Department of Infectious Diseases, Amsterdam University Medical Centers , Amsterdam , The Netherlands

4. Infection & Immunity, Amsterdam Public Health, University of Amsterdam , Amsterdam , The Netherlands

5. Department of Internal Medicine and Infectious Diseases, University Medical Center Groningen , Groningen , The Netherlands

6. Department of Infectious Diseases, Leiden University Medical Center , Leiden , The Netherlands

7. Department of Viroscience, Erasmus Medical Center , Rotterdam , The Netherlands

8. Department of Internal Medicine, Division of Allergy & Clinical Immunology and Department of Immunology, Erasmus Medical Center , Rotterdam , The Netherlands

9. Department of Experimental Immunology, Amsterdam University Medical Centers, Amsterdam Infection and Immunity Institute, University of Amsterdam , Amsterdam , The Netherlands

10. Department of Medical Microbiology and Infection Prevention, University Medical Center Groningen, University of Groningen , Groningen , The Netherlands

11. Center for Infectious Disease Control, National Institute for Public Health and the Environment , Bilthoven , The Netherlands

Abstract

Abstract The emergence of SARS-CoV-2 variants raised questions regarding the durability of immune responses after homologous or heterologous boosters after Ad26.COV2.S-priming. We found that SARS-CoV-2–specific binding antibodies, neutralizing antibodies, and T cells are detectable 5 months after boosting, although waning of antibodies and limited cross-reactivity with Omicron BA.1 was observed.

Funder

the Netherlands Organization for Health Research and Development ZonMw

Publisher

Oxford University Press (OUP)

Subject

Infectious Diseases,Microbiology (medical)

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