From the Scottish Government figures.The hospitalization to confirmed cases breaks down like this for age:
Age Cases Hospitilizations 0-4 1417 77 (5.4%) 5-14 3933 44 (1.1%) 15-19 7766 46 (0.5%) 20-24 9035 79 (0.8%) 25-44 28690 867 (3.0%)
EDIT: Here are the stats for the seasonal flu: https://www.cdc.gov/flu/about/burden/past-seasons.html tldr: 1-2% hospitalization average
From the Scottish Government figures.The hospitalization to confirmed cases breaks down like this for age:
Everyone should get the vaccine.