kotakonda charan, C. Kumar, Jyothi Conjeevaram. COVID-19 Vaccination Coverage and Breakthrough Infections in People Aged 12 Years and Above. NJRCM [Internet]. 2023 May 24 [cited 2026 May 4];12(1):06-9. Available from: https://www.journal.njrcm.com/index.php/njrcm/article/view/195