We have recently published a paper in International Journal of Public Health providing a step-by-step guide to define COVID-19 as a cause of disease burden, which can be used to calculate DALYs. We suggest pragmatic data inputs, reflecting that availability and quality of data inputs will vary by country.
You can read the publication via https://doi.org/10.3389/ijph.2021.619011.
A complete set of COVID-19 burden of disease resources is available via https://www.burden-eu.net/outputs/covid-19.
