Long-Term Safety Analysis of the ChAdOx1-nCoV-19 Corona Virus Vaccine: Results from a Prospective Observational Study in Priority Vaccinated Groups in North India.

Introduction: Various vaccines for protection against COVID-19 were provided emergency approval in late 2020 to early 2021. There is a scarcity of long-term safety data for many of these.

Objective: The main aim of this study is to provide the one-year safety results of the ChAdOx1-nCoV-19/AZD1222 vaccine and determine the risk factors of adverse events of special interest (AESIs) and persistent AESIs.

A Prospective Observational Study on BBV152 Coronavirus Vaccine Use in Adolescents and Comparison with Adults: Interim Results of the First Real-World Safety Analysis.

Introduction: The BBV152 coronavirus disease 2019 (COVID-19) vaccine (COVAXIN) has recently been approved for adolescents.

Objective: We provide the first real-world safety data of COVAXIN use in adolescents and compare with adults.

Methods: A prospective observational study was initiated in January 2022.