Skip directly to site content Skip directly to page options Skip directly to A-Z link Skip directly to A-Z link Skip directly to A-Z link
Volume 28, Number 10—October 2022

SARS-CoV-2 Vaccine Breakthrough by Omicron and Delta Variants, New York, USA

Alexander C. KeyelComments to Author , Alexis Russell, Jonathan Plitnick, Jemma V. Rowlands, Daryl M. Lamson, Eli Rosenberg, and Kirsten St. George
Author affiliations: New York State Department of Health, Albany, New York, USA (A.C. Keyel, A. Russell, J. Plitnick, J.V. Rowlands, D.M. Lamson, E. Rosenberg, K. St. George); State University of New York, Albany (E. Rosenberg, K. St. George)

Main Article

Table 4

Variables most associated with a Delta variant infection in 2 analyses of SARS-CoV-2 vaccine breakthrough during the emergence period of the Delta variant, New York, USA*

Model ΔAIC Parameter 1 Parameter 2 Parameter 3
Main analysis
Vaccination status 0.00 Vaccinated: 2.4 (0.8–6.8)
Vaccine type
Pfizer: 2.86 (0.92–8.94)
Moderna: 0.38 (0.04–4.20)
Janssen: 1.97 (0.17–23.57)
Age analysis
Vaccine type 0.02 Pfizer: 7.3 (2.0–26.7)† Moderna: 2.0 (0.25–17.1) Janssen: 0.46 (0.04–4.76)

*None of the main analysis models were statistically significant because all 95% CIs for odds ratio estimates overlapped 1. Janssen vaccine, Janssen/Johnson & Johnson (; Pfizer vaccine, Pfizer-BioNTech (; Moderna vaccine, Moderna ( ΔAIC, change in Akaike information criterion. †p<0.01.

Main Article

Page created: August 25, 2022
Page updated: September 20, 2022
Page reviewed: September 20, 2022
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.