Covidshield, Covaxin & Sputnik V compared for efficacy/effectiveness The article offers a comparative overview of three COVID-19 vaccines widely administered in India—Covishield, Covaxin, and Sputnik V. It examines their development, efficacy rates, dosing schedules, and safety profiles, providing a clear understanding of each vaccine’s strengths and differences. Ideal for anyone seeking to make informed decisions about vaccination.