Neutralizing Activity of Sera from Sputnik V-Vaccinated People against Variants of Concern (VOC: B.1.1.7, B.1.351, P.1, B.1.617.2, B.1.617.3) and Moscow Endemic SARS-CoV-2 Variants.

Since the beginning of the 2021 year, all the main six vaccines against COVID-19 have been used in mass vaccination companies around the world. Virus neutralization and epidemiological efficacy drop obtained for several vaccines against the B.1.

Efficacy and safety of pathogen-reduced platelet concentrates in children with cancer: a retrospective cohort study.

Background: The safety of blood component transfusions is still of concern and the use of pathogen reduction (PR) methods is increasing. Limited data are available describing safety and efficacy of PR platelet (PLT) transfusions in children. We report the results of a retrospective evaluation of prophylactic transfusions of PR PLT units treated with riboflavin and ultraviolet light in pediatric patients with malignant disorders.