The uncontrolled spread of the coronavirus disease 2019 (COVID-19) pandemic has led to the emergence of different severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variants across the globe. The ongoing global vaccination strategy to curtail the COVID-19 juggernaut is threatened by the rapidly spreading variants of concern (VOC) and other regional mutants, which are less responsive to neutralization by infection- or vaccine-derived antibodies (Gomez et al., 2021; Wang et al., 2021).