Results 31 to 40 of about 438,994 (167)

Multicenter clinical evaluation of the Luminex Aries Flu A/B & RSV assay for pediatric and adult respiratory tract specimens [PDF]

open access: yes, 2017
Influenza A and B viruses and respiratory syncytial virus (RSV) are three common viruses implicated in seasonal respiratory tract infections and are a major cause of morbidity and mortality in adults and children worldwide. In recent years, an increasing
Buller, Richard S   +6 more
core   +2 more sources

Prevalence of circulating antibodies against hemagglutinin of influenza viruses in epidemic season 2021/2022 in Poland

open access: yesActa Biochimica Polonica
The aim of the study was to determine the level of anti-hemagglutinin antibodies in the serum of patients during the 2021/2022 epidemic season in Poland.
Katarzyna Kondratiuk   +5 more
doaj   +1 more source

Analysis of Viral and Host Factors on Immunogenicity of 2018, 2019, and 2020 Southern Hemisphere Seasonal Trivalent Inactivated Influenza Vaccine in Adults in Brazil

open access: yesViruses, 2022
Annual vaccination against influenza is the best tool to prevent deaths and hospitalizations. Regular updates of trivalent inactivated influenza vaccines (TIV) are necessary due to high mutation rates in influenza viruses.
Artur Capão   +10 more
doaj   +1 more source

The causes and consequences of seasonal variation in COPD exacerbations [PDF]

open access: yes, 2014
Gavin C Donaldson, Jadwiga A Wedzicha Airways Disease Section, National Heart and Lung Institute, Imperial College London, London, UK Abstract: The time of year when patients experience exacerbations of chronic obstructive pulmonary disease is a much ...
Donaldson, G, Wedzicha, J
core   +2 more sources

A U508C synonymous mutation in the SARS-CoV-2 deletion hotspot reduces deletion frequency and accelerates viral clearance

open access: yesmBio
A deletion hotspot within the non-structural protein 1 (NSP1) gene (locus 500–532) has been observed in severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) genomes analyzed by next-generation sequencing.
Kaya Miyazaki   +4 more
doaj   +1 more source

Prevalence of respiratory pathogens in nasal swabs from horses with acute respiratory disease in Belgium [PDF]

open access: yes, 2016
Contagious respiratory infections are an important cause of respiratory disease in horses, resulting in impaired pulmonary function, poor performance and sometimes severe illness.
Amory, H   +7 more
core  

Increase of Synergistic Secondary Antiviral Mutations in the Evolution of A(H1N1)pdm09 Influenza Virus Neuraminidases

open access: yesViruses
The unexpected emergence of oseltamivir-resistant A(H1N1) viruses in 2008 was facilitated in part by the establishment of permissive secondary neuraminidase (NA) substitutions that compensated for the fitness loss due to the NA-H275Y resistance ...
Susanne C. Duwe   +5 more
doaj   +1 more source

Frequency of shedding of respiratory pathogens in horses recently imported to the United States. [PDF]

open access: yes, 2018
BackgroundImported horses that have undergone recent long distance transport might represent a serious risk for spreading infectious respiratory pathogens into populations of horses.ObjectiveTo investigate the frequency of shedding of respiratory ...
Boyle   +25 more
core   +1 more source

Optimized production of a truncated form of the recombinant neuraminidase of influenza virus in Escherichia coli as host with suitable functional activity

open access: yesMicrobial Cell Factories
Background To discover effective drugs for treating Influenza (a disease with high annual mortality), large amounts of recombinant neuraminidase (NA) with suitable catalytic activity are needed. However, the functional activity of the full-length form of
Fatemeh Sadat Shariati   +4 more
doaj   +1 more source

Occurrence of Circulating Antibodies against the Hemagglutinins of Influenza Viruses in the 2022/2023 Epidemic Season in Poland

open access: yesViruses
The aim of this study was to determine the level of anti-hemagglutinin antibodies in blood sera collected from patients during the 2022/2023 epidemic season in Poland. A total of 700 sera samples from patients across the country were tested.
Katarzyna Kondratiuk   +5 more
doaj   +1 more source

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