If Omicron is less severe, why are Covid deaths rising?News India (All States)

In the US, Omicron is claiming an average of 2,200 lives each day – higher than the Delta variant, which peaked at a seven-day average of 2,078 in September last year

source https://www.livemint.com/news/if-omicron-is-less-severe-why-are-covid-deaths-rising-11643821459445.html