The paper by Candotti et al. describes HBV transmission to 9 (nine) recipients by blood transfusion with FFP and RBC components from 3 (three) Slovenian blood donors with occult hepatitis B infection (OBI). The viruses remained undetected by both serology (HBsAg) and NAT testing.
Since the beginning of July 2018, the Mediterranean region has experienced an epidemic of West Nile virus infections: 24 cases in three French regions (Paca, Corsica and Occitania), according to the latest report from Public Health France. The disease is transmitted by the Culex mosquito.