Outcomes of single dose COVID-19 vaccines: Eight month follow-up of a large cohort in Saudi Arabia.

ABSTRACT:

Background

Two vaccines for COVID-19 have been approved and administered in the Kingdom of Saudi Arabia (KSA); Pfizer-BioNtech BNT162b2 and AstraZeneca-Oxford AZD1222 vaccines. The purpose of this study was to describe the real-world data on the outcome of single dose of these COVID-19 vaccines in a large cohort in KSA and to analyse demographics and co-morbidities as risk factors for infection post one-dose vaccination.

Methods

In this prospective cohort study, a total of 18,543 subjects received one dose of either of the vaccines at a vaccination centre in KSA, and were followed up for three to eight months. Data were collected from three sources; clinical data from medical records, adverse events (AEs) from a self-reporting system, and COVID-19 infection data from the nat

SUBMITTER: Alharbi NK 

PROVIDER: S-EPMC8986276 | biostudies-literature | 2022 May

REPOSITORIES: biostudies-literature