Thrombotic events following Covid-19 vaccines compared to Influenza vaccines.

ABSTRACT:

Importance

The actual risk of thrombotic events after Covid-19 vaccination is unknown.

Objective

To evaluate the risk of thrombotic events after Covid-19 vaccination.

Design

Retrospective cohort study which included consecutive adult patients vaccinated with the first dose of Covid-19 vaccine between January 1 and May 30, 2021, and a historic control group, defined as consecutive patients vaccinated with influenza vaccine between March 1 and July 30, 2019.

Setting

Hospital Italiano de Buenos Aires, a tertiary hospital in Argentina.

Participants

Non-Hospitalized Adults vaccinated with the first dose of a Covid-19 vaccine.

Exposure

Vaccination with Covid-19 vaccines available during the study period: Gam-COVID-Vac (Sputnik), ChAdOx1 nCoV-19 (AstraZe

SUBMITTER: Vallone MG 

PROVIDER: S-EPMC8904150 | biostudies-literature | 2022 May

REPOSITORIES: biostudies-literature