Any actual numbers for how much worse H3 is vs H1 in general? I know the question isn’t quite so simple as mortality rates change over time after a new strain e

Any actual numbers for how much worse H3 is vs H1 in general? I know the question isn’t quite so simple as mortality rates change over time after a new strain emerges and starts circulating. But TFA seems to be devoid of any actual quantitative data to backup its thesis.