Eur J Clin Microbiol Infect Dis
November 2024
Enteroviruses (EVs) are a large group of genotypes that cause a variety of pathologies, some of them very serious. This study analyzed the last 10 years (2014-2023) of EVs diagnosis and classification. In 166,674 samples collected, EVs were found in 9,535 (5.
View Article and Find Full Text PDFRespiratory syncytial virus is associated with lower respiratory tract infections. As several types and genotypes can circulate at the same time, genomic characterization is important for timely epidemiological control and treatment measures. In the last 6 seasons (2017-2023), 191 236 nasopharyngeal swabs were processed for respiratory viruses to determine the etiology of acute respiratory infections, describe the incidence and distribution of RSV types and enrich the data of epidemiological molecular studies on RSV in Spain.
View Article and Find Full Text PDFMutational analysis of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) can quantify the relative importance of variants over time, enable dominant mutations to be identified, and facilitate near real-time detection, comparison and tracking of evolving variants. SARS-CoV-2 in Asturias, an autonomous community of Spain with a large ageing population, and high levels of migration and tourism, was monitored and tracked from the beginning of the pandemic in February 2020 until its decline and stabilization in August 2021, and samples were characterized using whole genomic sequencing and single nucleotide polymorphisms. Data held in the GISAID database were analysed to establish patterns in the appearance and persistence of SARS-CoV-2 strains.
View Article and Find Full Text PDFBackground: Few cases of transfusion-transmitted hepatitis E virus (HEV) have been published in Spain. Here, we describe a well-characterized lookback investigation of a transfusion-transmitted HEV case at the Community Centre for Blood and Tissues of Asturias (Spain).
Case Report: A female patient with chronic myeloid leukemia underwent an allogeneic bone marrow transplant in March 2019 and showed alterations in liver function shortly afterwards.
Background: Variants in , a gene coding the cytoplasmatic RNA sensor MDA5, regulate the response to viral infections. We hypothesized that rs199076 variants would modulate host response and outcome after severe COVID-19.
Methods: Patients admitted to an intensive care unit (ICU) with confirmed COVID-19 were prospectively studied and rs1990760 variants determined.
Among the methods used to diagnose COVID-19, those based on genomic detection by q(RT)-PCR are the most sensitive. To perform these assays, a previous genome extraction of the sample is required. The dramatic increase in the number of SARS-CoV-2 detection assays has increased the demand for extraction reagents hindering the supply of commercial reagents.
View Article and Find Full Text PDFBackground: Intensive care unit workers are at high risk of acquiring COVID-19 infection, especially when performing invasive techniques and certain procedures that generate aerosols (< 5 μm). Therefore, one of the objectives of the health systems should implement safety practices to minimize the risk of contagion among these health professionals. Monitoring environmental contamination of SARS-CoV-2 may help to determine the potential of the environment as a transmission medium in an area highly exposed to SARS-CoV-2, such as an intensive care unit.
View Article and Find Full Text PDFAcute necrotizing encephalopathy (ANE) is a severe neurologic complication caused by influenza virus that has been infrequently reported in adult population. The diagnosis is made on epidemiological, clinical, and neuroimaging suspicion, but is rarely confirmed by microbiological findings in samples from the central nervous system (CNS), thus making it difficult to define the mechanism of pathogenesis of influenza-associated encephalitis/encephalopathies (IAE). We report a microbiologically documented case of ANE caused by influenza A/H3N2, in a previously healthy adult patient infected during a flu epidemic in Asturias (Spain).
View Article and Find Full Text PDFAnti-CMV (cytomegalovirus) antibody titers are related to immune alterations and increased risk of mortality. To test whether they represent a marker of infection history, we analyzed the effect of viral reactivations on the production of specific antibodies in kidney transplant patients. We quantified CMV-DNAemia and antibody titers in 58 kidney transplant patients before transplantation and during a follow-up of 315 days (standard deviation, SD: 134.
View Article and Find Full Text PDFJ Virol Methods
September 2015
Background And Purpose: Surrogate markers such as viral load are necessary to follow the evolution of disease resulting from infection with Human Papilloma virus (HPV), especially in this era of vaccination. As such, this paper uses the automated system Cobas-4800-HPV to define viral load as number of HPV copies/cell and apply the results to clinical samples.
Study Design: A curve to determine viral load per cell was constructed from HPV plasmid and cell concentrations using the Cobas-4800-HPV system.
Objective: Human Papillomavirus (HPV) infection in men may produce cancer and other major disorders. Men play an important role in the transmission of the virus and act as a reservoir. The aim of this study was to determine the HPV-genotypes and their prevalence in a group of men attending a Sexually Transmitted Infection service.
View Article and Find Full Text PDFBackground And Aims: Gastroenteritis is one of the infections which are particularly important in elderly people. Knowledge of the main pathogens causing gastroenteritis in this group of patients, whose number will dramatically increase in coming decades, is essential. The contribution of group A rotavirus, adenovirus types 41 and 42, norovirus and astrovirus as causes of gastroenteritis among patients of all ages, especially those with over 65 was evaluated over an extended time period.
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