UBI, ECP, there are also ways to clean the blood supply donations via UV as well. Granted they are for donated, but the technology is interesting. Mirasol and INTERCEPT.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6122858/#!po=0.714286
https://www.terumobct.com/mirasol
https://intercept-usa.com/what-is-intercept/how-intercept-works