The purpose of the study was to assess the effectiveness of the removal of nucleic acids (NA). Hepatitis B (HBV) and C (HCV) viruses and parvovirus B19 (B19V) from blood plasma fractions obtained by alcohol separation. The studies were performed in a model experiment by fractionation normal pool plasma donation contaminated with virus-containing samples in the laboratory. It was found... https://www.diegojavierfares.com/