Ischemic stroke after COVID-19 bivalent vaccine administration in patients aged 65 years and older in the United States.

ABSTRACT: The Centers for Disease Control and Prevention announced in January 2023 a potential connection between administration of the Pfizer novel coronavirus disease-2019 (COVID-19) bivalent vaccine booster and ischemic stroke (IS). A retrospective cohort study was conducted to compare the hazard of IS in patients aged 65 years and over administered the Pfizer bivalent booster versus those administered the Pfizer/Moderna monovalent or Moderna bivalent boosters. De-identified patient electronic health data were collected from TriNetX, a cloud-based analytics platform that includes data from over 90 million unique patients in the United States. Patients aged 65 years and over at the time of administration of a Pfizer bivalent, Moderna bivalent, or Pfizer/Moderna monovalent booster were included for

SUBMITTER: Gorenflo MP 

PROVIDER: S-EPMC10667491 | biostudies-literature | 2023 Nov

REPOSITORIES: biostudies-literature