Persistence of serum and saliva antibody responses to SARS-CoV-2 spike antigens in COVID-19 patients

Author:

Isho Baweleta1ORCID,Abe Kento T.23,Zuo Michelle1ORCID,Jamal Alainna J.45ORCID,Rathod Bhavisha2ORCID,Wang Jenny H.2,Li Zhijie3ORCID,Chao Gary1ORCID,Rojas Olga L.1ORCID,Bang Yeo Myong1ORCID,Pu Annie1ORCID,Christie-Holmes Natasha6,Gervais Christian7,Ceccarelli Derek2ORCID,Samavarchi-Tehrani Payman2,Guvenc Furkan3,Budylowski Patrick68,Li Angel5,Paterson Aimee5,Yue Feng Yun1ORCID,Marin Lina M.9ORCID,Caldwell Lauren2ORCID,Wrana Jeffrey L.23ORCID,Colwill Karen2ORCID,Sicheri Frank23ORCID,Mubareka Samira10ORCID,Gray-Owen Scott D.36ORCID,Drews Steven J.11ORCID,Siqueira Walter L.9,Barrios-Rodiles Miriam2,Ostrowski Mario11213ORCID,Rini James M.314ORCID,Durocher Yves7ORCID,McGeer Allison J.245,Gommerman Jennifer L.1ORCID,Gingras Anne-Claude23ORCID

Affiliation:

1. Department of Immunology, University of Toronto, Toronto, ON, Canada.

2. Lunenfeld-Tanenbaum Research Institute at Mount Sinai Hospital, Sinai Health System, Toronto, ON, Canada.

3. Department of Molecular Genetics, University of Toronto, Toronto, ON, Canada.

4. Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, ON, Canada.

5. Department of Microbiology, at Mount Sinai Hospital, Sinai Health System, Toronto, ON, Canada.

6. Combined Containment Level 3 Unit, University of Toronto, Toronto, ON, Canada.

7. Mammalian Cell Expression, Human Health Therapeutics Research Centre, National Research Council Canada, Montréal, QC, Canada.

8. Institute of Medical Science, University of Toronto, Toronto, ON, Canada.

9. College of Dentistry, University of Saskatchewan, Saskatoon, SK, Canada.

10. Department of Laboratory Medicine and Molecular Diagnostics, Division of Microbiology, Sunnybrook Health Sciences Centre; Biological Sciences, Sunnybrook Research Institute; and Division of Infectious Diseases, Sunnybrook Health Sciences Centre, Toronto, ON, Canada; Department of Laboratory Medicine and Pathology, University of Toronto, Toronto, ON, Canada.

11. Canadian Blood Services, Edmonton, AB & Department of Laboratory Medicine and Pathology, University of Alberta, Edmonton, AB, Canada.

12. St. Michael’s Hospital, Toronto, ON, Canada; Li Ka Shing Knowledge Institute.

13. Department of Medicine, University of Toronto, Toronto, ON, Canada.

14. Department of Biochemistry, University of Toronto, Toronto, ON, Canada.

Abstract

Saliva is an alternative biofluid to serum for detecting and monitoring IgG to SARS-CoV-2 spike and RBD antigens in COVID-19.

Funder

Genome Canada

Government of Ontario

Canadian Institutes of Health Research

Canada Foundation for Innovation

Sinai Health System Foundation

CIHR - COVID-19 Rapid Research Funding Opportunity - Diagnostics

Sunnybrook Foundation

Publisher

American Association for the Advancement of Science (AAAS)

Subject

General Medicine,Immunology

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