Association between vaccination status and COVID-19-related health outcomes among community-dwelling COVID-19 patients in Nara, Japan.

ABSTRACT:

Background

Many previous studies have reported COVID-19 vaccine effectiveness, but there are few studies in Japan. This community-based, retrospective observational study investigated the association between vaccination status and COVID-19-related health outcomes in COVID-19 patients by SARS-CoV-2 variant type.

Methods

The study participants were 24,314 COVID-19 patients aged 12 or older whose diagnoses were reported to the Nara Prefecture Chuwa Public Health Center from April 2021 to March 2022, during periods when the alpha, delta, and omicron variants of COVID-19 were predominant. The outcome variables were severe health consequences (SHC) (i.e., ICU admission and COVID-19-related death), hospitalization, and extension of recovery period. The explanatory variable was vacc

SUBMITTER: Tomioka K 

PROVIDER: S-EPMC9884564 | biostudies-literature | 2023

REPOSITORIES: biostudies-literature