Wouldn't the BIGGEST reason right now for COVID hospitalisation be not being vaccinated?
https://www.thelancet.com/journals/lanam/article/PIIS2667-19...
Highlights:
"The need for emergency care/hospitalization due to breakthrough COVID-19 is an exceedingly rare event in fully vaccinated patients."
"Accounting for the SARS-CoV-2 vaccination population groups in Michigan, the ED encounters/hospitalizations rate relevant to COVID-19 was 96% lower in FV versus UV..."
("Fully-vaccinated" versus "un-vaccinated".)