Trends in COVID-19 Vaccine Administration and Effectiveness Through October 2021.

ABSTRACT:

Importance

COVID-19 vaccines are effective, but inequities in vaccine administration and waning immunity may limit vaccine effectiveness.

Objectives

To report statewide trends in vaccine administration and vaccine effectiveness in Minnesota.

Design, setting, and participants

This cohort study used COVID-19 vaccine data from the Minnesota Immunization Information Connection from October 25, 2020, through October 30, 2021 that were linked with electronic health record (EHR) data from health systems collaborating as part of the Minnesota EHR Consortium (MNEHRC). Participants included individuals who were seen at a participating health system in Minnesota.

Exposures

Individuals were considered fully vaccinated in the second week after receipt of a second dose of a

SUBMITTER: Winkelman TNA 

PROVIDER: S-EPMC8972031 | biostudies-literature | 2022 Mar

REPOSITORIES: biostudies-literature