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Welcome to Influenza Virus Net

Influenza Virus Net is the web resource for anyone interested in influenza and flu pandemics. Influenza, commonly referred to as the flu, is an infectious disease caused by RNA viruses of the family Orthomyxoviridae (the influenza viruses), that affects humans, birds and other mammals. The virus spreads easily from person to person. Influenza circulates worldwide and can affect anybody in any age group. Influenza causes annual epidemics that peak during winter in temperate regions. Influenza is a serious public health problem that causes severe illnesses and deaths for higher risk populations. The most common symptoms of the disease are chills, fever, sore throat, muscle pains, severe headache, coughing, weakness/fatigue and general discomfort. Sore throat, fever and coughs are the most frequent symptoms. In more serious cases, influenza causes pneumonia, which can be fatal, particularly for the young and the elderly. An influenza epidemic can take an economic toll through lost workforce productivity, and strain health services. Vaccination is the most effective way to prevent infection.

The objectives of Influenza Virus Net are to be the public and professional information resource for influenza and to serve as a network in the exchange of information and news related to influenza.



Influenza News and Headlines

Latest Influenza Posts on ProMED-mail

  • PRO/AH/EDR> Avian influenza (116): Europe (Russia) zoo, wild bird, backyard, HPAI H5N1, OIE
    Mon, 20 Sep 2021 15:46:50 -0400
    Avian Influenza H5N1 -- Russia
    Summary
    Report type: immediate notification
    Started: 27 Aug 2021
    Confirmed: 2 Sep 2021
    Reported: 15 Sep 2021
    Reason for notification: recurrence
    Last occurrence: 13 Dec 2020
    Causal agent: highly pathogenic avian influenza virus
    Serotype: H5N1
    Nature of diagnosis: clinical, laboratory
    This event pertains to a defined zone within the country.
    New outbreaks (3)
    Summary of outbreaks
    Total outbreaks (3)
    Outbreak location 1: Zateryanny mir, Chelyabinsk gorsovet,

  • PRO/AH/EDR> Avian influenza, human (20): Cambodia (SI) H9N2
    Sun, 19 Sep 2021 19:23:42 -0400
    Avian Influenza -- Cambodia
    Abstract
    ---------
    In February 2021, routine sentinel surveillance for influenza-like illness in Cambodia detected a human avian influenza A(H9N2) virus infection. Investigations identified no recent H9N2 virus infections in 43 close contacts. One chicken sample from the infected child's house was positive for H9N2 virus and genetically similar to the human virus.
    --
    Communicated by:
    Jurre Siegers
    Institute Pasteur du Cambodge

    [ProMED thanks Jurre Siegers for sharing the early

Latest Articles on Influenza

  • Anxiety disorders, COVID-19 fear, and vaccine hesitancy Sun, 03 Jul 2022 06:00:00 -0400
    Development of the COVID-19 vaccines unfolded in real-time, lending a sense that they were developed more rapidly than other vaccines. Long-term data on their safety and effectiveness is not yet available. Thus, people may have greater uncertainty about the COVID-19 vaccines than other vaccines. We know that people high in anxiety have greater intolerance of uncertainty (IUS) and may have greater fears of adverse effects and concerns about the vaccine failing to prevent COVID-19. Ultimately,...
  • Quality outcome of diabetes care during COVID-19 pandemic: a primary care cohort study Sat, 02 Jul 2022 06:00:00 -0400
    CONCLUSION: A considerable quality reduction in diabetes mellitus care could be observed during the pandemic. Though the most vulnerable patients were not the most affected by the pandemic, key factors that might reduce dropout from follow-up were identified.
  • A single respiratory tract infection early in life reroutes healthy microbiome development and affects adult metabolism in a preclinical animal model Sat, 02 Jul 2022 06:00:00 -0400
    In adult animals, acute viral infections only temporarily alter the composition of both respiratory and intestinal commensal microbiota, potentially due to the intrinsic stability of this microbial ecosystem. In stark contrast, commensal bacterial communities are rather vulnerable to perturbation in infancy. Animal models proved that disruption of a balanced microbiota development e.g., by antibiotics treatment early in life, increases the probability for metabolic disorders in adults....
  • Resilience of S309 and AZD7442 monoclonal antibody treatments against infection by SARS-CoV-2 Omicron lineage strains Sat, 02 Jul 2022 06:00:00 -0400
    Omicron variant strains encode large numbers of changes in the spike protein compared to historical SARS-CoV-2 isolates. Although in vitro studies have suggested that several monoclonal antibody therapies lose neutralizing activity against Omicron variants, the effects in vivo remain largely unknown. Here, we report on the protective efficacy against three SARS-CoV-2 Omicron lineage strains (BA.1, BA.1.1, and BA.2) of two monoclonal antibody therapeutics (S309 [Vir Biotechnology] monotherapy and...
  • Association between lipid profiles and viral respiratory infections in human sputum samples Sat, 02 Jul 2022 06:00:00 -0400
    CONCLUSIONS: In this study, human sputum lipid profiles were shown to be associated with distinct types of viral infection. Better understanding the relationship between respiratory infections of global importance and lipids contributes to advancing knowledge of pathogenesis of infections including identifying populations with increased susceptibility and developing effective therapeutics and biomarkers of health status.
  • The effectiveness of hand hygiene interventions for preventing community transmission or acquisition of novel coronavirus or influenza infections: a systematic review Sat, 02 Jul 2022 06:00:00 -0400
    CONCLUSIONS: To our knowledge, this is the first systematic review of effectiveness of HH for prevention of community transmission or acquisition of respiratory viruses that have caused epidemics or pandemics, including SARS-CoV-1, SARS-CoV-2 and influenza viruses. The evidence supporting the protective effect of HH was heterogeneous and limited by methodological quality; thus, insufficient to recommend changes to current HH guidelines. Future work is required to identify in what circumstances,...
  • Fine-tuning of MXene-nickel oxide-reduced graphene oxide nanocomposite bioelectrode: Sensor for the detection of influenza virus and viral protein Sat, 02 Jul 2022 06:00:00 -0400
    Influenza viruses can cause epidemics through inter-human transmission, and the social consequences of viral transmission are incalculable. Current diagnostics for virus detection commonly relies on antibodies or nucleic acid as recognition reagent. However, a more advanced and general method for the facile development of new biosensors is increasing in demand. In this study, we report the fabrication of an ultra-sensitive peptide-based nanobiosensor using a nickel oxide (NiO)-reduced graphene...
  • Antiviral drugs against influenza: Treatment methods, environmental risk assessment and analytical determination Sat, 02 Jul 2022 06:00:00 -0400
    Over the past few years, antiviral drugs against influenza are considered emerging contaminants since they cause environmental toxicity even at low concentrations. They have been found in environmental matrices all around the world, showing that conventional treatment methods fail to remove them from water and wastewater. In addition, the metabolites and transformation products of these drugs can be more persistent than original in the environment. Several techniques to degrade/remove antiviral...
  • Antibiotic Resistant Infections among COVID-19 Inpatients in U.S. Hospitals Sat, 02 Jul 2022 06:00:00 -0400
    We described bacterial/fungal co-infections and antibiotic resistant infections among inpatients diagnosed with COVID-19 and compared findings with inpatients diagnosed with influenza-like-illness. Less than 10% of COVID-19 inpatients had bacterial/fungal co-infection. Longer lengths of stay, critical care stay, and mechanical ventilation contribute to increased incidence of hospital-onset infections among COVID-19 inpatients.
  • Risk Factors of Pneumonia in Primary Antibody Deficiency Patients Receiving Immunoglobulin Therapy: Data from the US Immunodeficiency Network (USIDNET) Sat, 02 Jul 2022 06:00:00 -0400
    CONCLUSION: Our findings suggest PAD patients with chronic and structural lung disease, splenomegaly, and allergies were associated with persistent pneumonia. However, our study is limited by the cross-sectional nature of the USIDNET database and limited longitudinal data. Further studies are warranted to identify susceptible causes and explore targeted solutions for prevention and associated morbidity and mortality.

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