Extracorporeal membrane oxygenation (ECMO) is a technique that provides support to selected patients with severe respiratory failure. During the 2009 H1N1 influenza infection outbreak, ECMO was used with a good impact on survival for pregnant women, who are at higher risk of H1N1 influenza infection. However, there is little information about the survival of fetus post-ECMO therapy in the literature. We present a case report of a pregnant patient with severe adult respiratory distress syndrome secondary to 2009 H1N1 influenza treated with ECMO. The outcome was good both for the mother and her fetus. At 1-year follow-up, her child had no neurological or clinical abnormalities. We conclude that ECMO can be used safely during pregnancy with a good neurological and clinical outcome for the fetus.
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Arch Virol
January 2025
Department Experimental and Clinical Medicine, University of Florence, Florence, Italy.
The I38T substitution in the influenza virus polymerase-acidic (PA) subunit is a resistance marker of concern for treatment with the antiviral baloxavir marboxil (BXM). Thus, monitoring PA/I38T mutations is of clinical importance. Here, we developed three rapid and sensitive assays for the detection and monitoring of the PA/I38T mutation.
View Article and Find Full Text PDFPLoS One
January 2025
Department of Mathematics, University of Dhaka, Dhaka, Bangladesh.
This research uses numerical simulations and mathematical theories to simulate and analyze the spread of the influenza virus. The existence, uniqueness, positivity, and boundedness of the solution are established. We investigate the fundamental reproduction number guaranteeing the asymptotic stability of equilibrium points that are endemic and disease-free.
View Article and Find Full Text PDFClin Infect Dis
January 2025
Influenza Division, US Centers for Disease Control and Prevention, Atlanta, GA, USA.
Background: The 2023-24 U.S. influenza season was characterized by a predominance of A(H1N1)pdm09 virus circulation with co-circulation of A(H3N2) and B/Victoria viruses.
View Article and Find Full Text PDFVaccine
January 2025
Center for Biologics Evaluation and Research, US Food and Drug Administration, 10903 New Hampshire Avenue, Silver Spring, MD 20993, USA. Electronic address:
Unlabelled: Neuraminidase (NA)-specific antibodies contribute to immunity against influenza. While studies have demonstrated increased NA inhibiting (NAI) antibody titers after vaccination with egg-derived inactivated influenza vaccines (eIIV), the response to cell culture-derived (c) IIV has not been reported.
Methods: An immunogenicity sub-study was performed within a clinical trial comparing the effectiveness of egg, cell, and recombinant hemagglutinin (HA)-derived influenza vaccines during the 2018-2019 and 2019-2020 influenza seasons.
Front Cell Infect Microbiol
January 2025
College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai'an, China.
Swine influenza virus (SIV) is a highly contagious pathogen that poses significant economic challenges to the swine industry and carries zoonotic potential, underscoring the need for vigilant surveillance. In this study, we performed a comprehensive genetic and molecular analysis of H3N2 SIV isolates obtained from 372 swine samples collected in Shandong Province, China. Phylogenetic analysis revealed two distinct genotypes.
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