Background & Objective: Hepatitis E virus (HEV) is a major public health problem in the developing countries. HEV infection in pregnant women is more common and fatal in the third trimester. The mortality rate due to HEV-induced hepatitis is as high as 15-20 per cent. The present study was designed to determine the seroprevalence of subclinical HEV infection in pregnant primigravidae women.
Methods: A total of 300 asymptomatic healthy primigravidae (gestational age 16-24 wk) with no history of jaundice were included in the study. Prevalence of anti-HEV antibodies was determined by an enzyme linked immunosorbent assay (ELISA) kit.
Results: The overall prevalence of seropositive HEV IgG was 33.67 per cent among the pregnant women. The seropositivity of HEV IgG was significantly high in urban population (P<0.05), and related with the period of settlement (P<0.05) and source of water (P=0.05). Low socio-economic status of the pregnant women appeared to be the only risk factor (OR=1.96, CI=1.17-3.28) associated with HEV IgG antibody.
Interpretation & Conclusion: In the present study, exposure to HEV during pregnancy was higher in urban (slum areas) than rural population. Socio-economic status was a risk factor for anti-HEV IgG in pregnant women. Early preventive measures if taken, may decrease the maternal and perinatal mortality and morbidity of HEV infection.
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Epidemiol Infect
January 2025
Gastroenterology Department, Nazareth Hospital EMMS, Azrieli Faculty of Medicine, Bar Ilan University, Ramat-Gan, Israel.
Hepatitis E virus (HEV) is one of the most common causes of viral hepatitis. We examined HEV seroprevalence and associations of sociodemographic and lifestyle characteristics with HEV immunoglobulin G (IgG) seropositivity in the Arab population. A cross-sectional single-centre study was conducted among adults in the Nazareth area during 2022.
View Article and Find Full Text PDFLancet Infect Dis
January 2025
Geneva Centre for Emerging Viral Diseases, Geneva University Hospitals, Geneva, Switzerland; Médecins Sans Frontières, Geneva, Switzerland; Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA; Division of Tropical and Humanitarian Medicine, Geneva University Hospitals, Geneva, Switzerland. Electronic address:
Background: Hepatitis E virus (HEV) is a leading cause of acute viral hepatitis, particularly in Asia and Africa, where HEV genotypes 1 and 2 are prevalent. Although a recombinant vaccine, Hecolin, is available, it has not been used to control outbreaks. The licensed three-dose regimen might pose challenges for it to be an impactful outbreak control tool.
View Article and Find Full Text PDFHum Vaccin Immunother
December 2025
Academy of Preventive Medicine, Shandong University, Jinan, China.
Acute hepatitis E infection could induce severe outcomes among chronic hepatitis B (CHB) patients. Between 2016 and 2017, an open-label study was conducted to evaluate the immunogenicity and safety of hepatitis E vaccine (HepE) in CHB patients, using healthy adults as parallel controls in China. Eligible participants who were aged ≥30 y were enrolled in the study.
View Article and Find Full Text PDFInt J Mol Sci
December 2024
Department of Microbiology and Parasitology, Pharmacy Faculty at Complutense University of Madrid, 28040 Madrid, Spain.
Extracellular vesicles (EVs) from can elicit immune responses, positioning them as promising acellular vaccine candidates. We characterized EVs from an avirulent cell wall mutant (Δ) and evaluated their protective potential against invasive candidiasis. EVs from the yeast (YEVs) and hyphal (HEVs) forms of the SC5314 wild-type strain were also tested, yielding high survival rates with SC5314 YEV (91%) and YEV immunization (64%).
View Article and Find Full Text PDFMolecules
December 2024
Institute of Organic and Analytical Chemistry (ICOA UMR 7311), CNRS, University of Orleans, F-45067 Orléans, France.
The emergence of RNA viruses driven by global population growth and international trade highlights the urgent need for effective antiviral agents that can inhibit viral replication. Nucleoside analogs, which mimic natural nucleotides, have shown promise in targeting RNA-dependent RNA polymerases (RdRps). Starting from protected 5-iodouridine, we report the synthesis of -substituted-(1,3-diyne)-uridines nucleosides and their phosphoramidate prodrugs.
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