For a claim to be made this was an unavoidable or bad luck may not sit well with many.
Common sense tells you if you take blood from a group of illegal drug users etc and not checked you can expect major health issues to a recipient.
https://www.bbc.co.uk/news/health-64497868
🐦🔗: https://n.respublicae.eu/englandkerrmep/status/1621396869925539841