Adverse events following the first dose of ChAdOx1 nCoV-19 (COVISHIELD) vaccine in the first phase of vaccine roll out in Nepal. J Patan Acad Health Sci [Internet]. 2021 Apr. 29 [cited 2026 Jul. 9];8(1):9-17. Available from: https://nepjol.info/index.php/JPAHS/article/view/36242