The Association Between Prebooster Vaccination Antibody Levels and the Risk of Severe Acute Respiratory Syndrome Coronavirus 2 Infection

Author:

Barda Noam1234ORCID,Canetti Michal456ORCID,Gilboa Mayan456,Asraf Keren67,Indenboim Victoria68,Weiss-Ottolenghi Yael456,Amit Sharon69,Zubli Daniel45,Doolman Ram68,Mendelson Ella67,Freedman Laurence S10,Kreiss Yitshak611,Lustig Yaniv68,Regev-Yochay Gili456

Affiliation:

1. ARC Innovation Center, Sheba Medical Center , Tel Hashomer, Ramat Gan , Israel

2. Software and Information Systems Engineering, Ben-Gurion University of the Negev , Be'er Sheva , Israel

3. Epidemiology, Biostatistics and Community Health Sciences, Ben-Gurion University of the Negev , Be'er Sheva , Israel

4. Sheba Pandemic Preparedness Research Institute, Sheba Medical Center , Ramat-Gan , Israel

5. Infection Prevention and Control Unit, Sheba Medical Center , Tel Hashomer, Ramat Gan , Israel

6. Sackler School of Medicine, Tel-Aviv University , Tel-Aviv , Israel

7. Dworman Automated-Mega Laboratory, Sheba Medical Center , Ramat-Gan , Israel

8. Central Virology Laboratory, Public Health Services, Ministry of Health , Ramat-Gan , Israel

9. Clinical Microbiology, Sheba Medical Center , Ramat-Gan , Israel

10. Biostatistics and Biomathematics Unit, Gertner Institute of Epidemiology and Health Policy Research , Ramat-Gan , Israel

11. General Management, Sheba Medical Center , Tel Hashomer, Ramat Gan , Israel

Abstract

Abstract The correlation between anti–severe acute respiratory syndrome coronavirus 2 antibody levels and infection was reported. Here, we estimated the role of pre–fourth dose levels using data from 1098 healthcare workers. The risk of infection was reduced by 46% (95% confidence interval, 29%–59%) for each 10-fold increase in prebooster levels. Prebooster antibody levels could be used to optimally time boosters.

Funder

Sheba Medical Center

Publisher

Oxford University Press (OUP)

Subject

Infectious Diseases,Microbiology (medical)

Reference15 articles.

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