Is a Booster Dose of COVID-19 Vaccines Effective on Newly Dominant Omicron Subvariants Among University Students? Comparison Between BA.1 and BA.2 Dominancy
Description
After the first report of Coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) on December 31, 2019, newly developed variants have repeatedly threatened the world. Since the end of November 2021
