Factors Associated With Severe COVID-19 Among Vaccinated Adults Treated in US Veterans Affairs Hospitals.

ABSTRACT:

Importance

With a large proportion of the US adult population vaccinated against SARS-CoV-2, it is important to identify who remains at risk of severe infection despite vaccination.

Objective

To characterize risk factors for severe COVID-19 disease in a vaccinated population.

Design, setting, and participants

This nationwide, retrospective cohort study included US veterans who received a SARS-CoV-2 vaccination series and later developed laboratory-confirmed SARS-CoV-2 infection and were treated at US Department of Veterans Affairs (VA) hospitals. Data were collected from December 15, 2020, through February 28, 2022.

Exposures

Demographic characteristics, comorbidities, immunocompromised status, and vaccination-related variables.

Main outcomes and measures

SUBMITTER: Vo AD 

PROVIDER: S-EPMC9585432 | biostudies-literature | 2022 Oct

REPOSITORIES: biostudies-literature