Early on, I read that even though people who die of covid are typically old, they have plenty of time left. E.g. an 85 year old dies, who would be expected to live 10 more years.
1: https://www.ons.gov.uk/aboutus/transparencyandgovernance/fre...
https://www.ons.gov.uk/peoplepopulationandcommunity/healthan...