Covid-19: Is The Pandemic Returning?

Two years after the WHO officially announced the Covid-19 pandemic was over, India is now witnessing a resurgence of infections. The number of positive cases has risen 15-fold in 10 days. The current spike is being attributed to more transmissible Omicron sub-variants like NB.1.8.1 and LF.7. As the caseload surges, is there reason for alarm?