I think that's because of different vaccine uptake by age cohort. People 65+ have always been most likely to require intervention and they are also the most vac

I think that's because of different vaccine uptake by age cohort. People 65+ have always been most likely to require intervention and they are also the most vaccinated age cohort - ~80% vaccinated in the US. [0] [0]: https://www.mayoclinic.org/coronavirus-covid-19/vaccine-tracker https://www.mayoclinic.org/coronavirus-covid-19/vaccine-trac...