Could COVID-19 variants disrupt the study plans of international students?

With vaccinations helping to revive overseas study, could COVID-19 variants create another obstacle for higher education international students?  International higher education students have waited a long time to return to their chosen destination to study.   Since the pandemic began, international travel has been heavily restricted and campuses have been forced to close.  However, greater understanding of COVID-19 and the ensuing vaccination rollouts have allowed for a measured return