Although B19 infection during pregnancy usually has no adverse effect on the fetus, it can cause fetal death. Recent studies make it possible to estimate risk of infection following different types of exposure and the risk of fetal death after infection. The most common clinical manifestations of B19 infection are erythema infectiosum and aplastic crisis in patients with chronic hemolytic anemias.
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Viruses
January 2025
Virology Department, Institut Pasteur de Dakar, 36 Avenue Pasteur, Dakar 200, Senegal.
Neurological manifestations associated with human parvovirus B19 (B19V) infections are rare and varied. Acute encephalitis and encephalopathy are the most common, accounting for 38.8% of all neurological manifestations associated with human B19V.
View Article and Find Full Text PDFVirol J
January 2025
Laboratório de Desenvolvimento Tecnológico em Virologia, Instituto Oswaldo cruz, Fundação Oswaldo Cruz, Rio de Janeiro, RJ, Brasil.
Background: Nonenveloped viruses, such as hepatitis A virus (HAV) and parvovirus B19 (B19V), are not inactivated by detergents and solvents commonly used to manufacture plasma derivatives. Cases of transfusion-transmitted HAV and B19V have already been described in several countries. This study aimed to determine the incidence of HAV and B19V asymptomatic infections in blood donors from Rio de Janeiro and evaluate the residual risk of transmission to blood derivative recipients.
View Article and Find Full Text PDFBlood Transfus
December 2024
National Blood Centre, Istituto Superiore di Sanità, Rome, Italy.
Parvovirus B19 (B19V) presents a significant concern in the context of blood transfusion safety, given its potential for transmission through contaminated blood products, and the increased viral circulation recently reported across Europe. This study examines the recent epidemiological trends of B19V in Italy, where a notable increase in B19V-positive plasma units was observed during early 2024. While routine NAT testing for B19V in individual blood donations is not currently justified, the existing screening protocols for plasma intended for industrial fractionation are crucial to ensure the safety of plasma-derived medicinal products.
View Article and Find Full Text PDFInt J Mol Sci
December 2024
Department of Physiopathology, Faculty of Medicine, Medical University of Gdansk, 80-210 Gdansk, Poland.
Rheumatoid arthritis (RA), an autoimmune disease with complex pathogenesis, is characterized by an immune imbalance reflected, e.g., in the disturbed cytokines' profile.
View Article and Find Full Text PDFJ Bras Nefrol
January 2025
Universidade Federal de São Paulo, Departamento de Medicina, São Paulo, SP, Brazil.
Collapsing glomerulopathy (CG) has a severe course typically associated with viral infections, especially HIV and parvovirus B19, systemic lupus erythematosus (SLE), among other etiologies. A 35-year-old woman with recent use of a JAK inhibitor due to rheumatoid arthritis presented with a 2-week history of fever, cervical adenopathy, and facial erythema. After admission, anemia, hypoalbuminemia, proteinuria, and severe acute kidney injury were noted.
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