title: Evolution of microbial safety.
authors.affiliation: National Blood Service, London, UK.
authors.forename: John A J
authors.initials: JA
authors.lastname: Barbara
mesh_terms: D001782:Blood Donors; D001803:Blood Transfusion / Q000592:standards*; D017848:Blood-Borne Pathogens; D005060:Europe; D006801:Humans; D017053:Infection Control / Q000379:methods / Q000592:standards / Q000639:trends*; D007239:Infections / Q000097:blood / Q000635:transmission; D008828:Microbiological Techniques; D012307:Risk Factors; D012449:Safety; D065227:Transfusion Reaction; D014481:United States; D014838:Volunteers