Factors influencing adverse events following immunization with AZD1222 in Vietnamese adults during first half of 2021.

ABSTRACT:

Background

COVID-19 vaccines have been speedily developed and deployed. The more vaccine doses are delivered to users, the more common adverse events following immunization (AEFI) are reported. This study aimed to identify factors affecting AEFI in Vietnamese people receiving the COVID-19 vaccine AZD1222 developed by AstraZeneca and Oxford University.

Methods

In July 2021, an online cross-sectional survey was conducted among Vietnamese who have been vaccinated with COVID-19 vaccines. The questionnaire collected demographic characteristics, medical history, types of injected vaccines, common AEFI, and post-vaccination activities from respondents. The effects of host-related factors on AEFI including 24 specific symptoms were also explored.

Results

After screening, 1028

SUBMITTER: Tran VN 

PROVIDER: S-EPMC8485226 | biostudies-literature | 2021 Oct

REPOSITORIES: biostudies-literature