Background: The influenza vaccination is considered useful in preventing influenza and its complications, but its efficacy is variable. Recent data on clinical effectiveness of influenza vaccination in renal patients are lacking.
Materials And Methods: The clinical efficacy in our Hemodialysis Unit during the last three years has been evaluated: 287 patients have been vaccinated. The rate of vaccination achieved has been of 81.3%.
Results: The efficacy has been of 46.7%. The difference of efficacy noted among young people (< 60 years) and elderly (> 60 years) in general population is not observed among our hemodialyzed patients. Bronchopulmonary complications (radiographically proven) have been low: 1.7%. No mortality increase has been observed.
Conclusions: These findings suggest that influenza vaccine can reduce the incidence and severity of influenza virus infections also among hemodialyzed patients.
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Respir Res
January 2025
Microbial Antibodies and Technologies, Research and Early Development, Vaccines and Immune Therapies, BioPharmaceuticals R&D, AstraZeneca, Gaithersburg, MD, USA.
Chronic obstructive pulmonary disease (COPD) is a chronic lung disease characterized by airway obstruction and inflammation. Non-typeable Haemophilus influenzae (NTHi) lung infections are common in COPD, promoting frequent exacerbations and accelerated lung function decline. The relationship with immune responses and NTHi are poorly understood.
View Article and Find Full Text PDFVaccine
January 2025
Department of Emergency Medicine, Vanderbilt University Medical Center, Nashville, TN, USA.
Background: Understanding similarities and differences between hesitancy for influenza and COVID-19 vaccines could facilitate strategies to improve public receptivity toward vaccination.
Methods: We compared hesitancy for COVID-19 vaccines during the first 13 months of availability (January 2021-January 2022) with hesitancy for influenza vaccines in the 15 months prior to COVID-19 vaccine availability (October 2019-December 2020) among adults hospitalized with acute respiratory illness at 21 hospitals in the United States. We interviewed patients regarding vaccination status, willingness to be vaccinated, and perceptions of vaccine safety and efficacy.
Science
January 2025
Department of Infectious Diseases and Microbiology, University of Pittsburgh, Pittsburgh, PA, USA.
Influenza virus pandemics and seasonal epidemics have claimed countless lives. Recurrent zoonotic spillovers of influenza viruses with pandemic potential underscore the need for effective countermeasures. In this study, we show that pre-exposure prophylaxis with broadly neutralizing antibody (bnAb) MEDI8852 is highly effective in protecting cynomolgus macaques from severe disease caused by aerosolized highly pathogenic avian influenza H5N1 virus infection.
View Article and Find Full Text PDFAdv Biotechnol (Singap)
November 2024
State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, China.
The H9N2 subtype of avian influenza virus (AIV) causes severe immunosuppression and high mortality in view of its frequent co-infection with other pathogens, resulting in significant economic losses in the poultry industry. Current vaccines provide suboptimal immune protection against H9N2 AIV owing to antigenic variations, highlighting the urgent need for safe and effective antiviral drugs for the prevention and treatment of this virus. This study aimed to investigate the inhibitory effects of Hypericum japonicum extract on H9N2 AIV.
View Article and Find Full Text PDFmSystems
January 2025
National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China.
Respiratory disease (RD) is a worldwide leading threat to the pig industry, but there is still limited understanding of the pathogens associated with swine RD. In this study, we conducted a nationwide genomic surveillance on identifying viruses, bacteria, and antimicrobial resistance genes (ARGs) from the lungs of pigs with RD in China. By performing metatranscriptomic sequencing combined with metagenomic sequencing, we identified 21 viral species belonging to 12 viral families.
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