I haven't seen breakdown by ethnicity of the casualties. Just age.
https://assets.publishing.service.go...020_update.pdf

https://www.ifs.org.uk/inequality/ch...9-than-others/

https://www.manchester.ac.uk/discove...anual-workers/

Some of the reasons for increased risks in BAME communities are that there is a disproportionate number BAME people in healthcare, who are thus exposed; a disproportionate number also live in sub-standard, overcrowded houses and work in low-paid jobs, where there is a lack of PPE.