P894: INFECTION RISK BEFORE DIAGNOSIS OF MONOCLONAL GAMMOPATHY OF UNDETERMINED SIGNIFICANCE: RESULTS FROM THE SCREENED POPULATION-BASED ISTOPMM STUDY - Marina Ros Levy; Sæmundur Rögnvaldsson; Alessandro Gasparini; Elías Eyþórsson; Guðrún Ásta Sigurðardóttir; Brynjar Viðarsson; Páll Torfi Önundarson; Bjarni Agnar Agnarsson; Margrét Sigurðardóttir; Ísleifur Ólafsson; Ingunn Þorsteinsdóttir; Ásdís Rósa Þórðardóttir; et al. (HemaSphere, 2023)