Articles tagged with Avian Influenza
A team of researchers from the University of Wisconsin-Madison and the University of Tokyo report a new way to generate genetically altered influenza virus. This technique improves upon a previous reverse genetics method by significantly reducing the number of plasmid vectors required, increasing the efficiency of virus production.
A 1960s tool, adapted for influenza planning, identifies strengths and opportunities for improvement in Thailand's preparedness efforts. The Haddon matrix lends itself to rapid decision making necessary for effective pandemic response.
A new vaccine study is testing a targeted vaccine against the H5N1 strain of avian influenza, aiming to protect vulnerable populations. Participants will receive three doses of either the vaccine or placebo over six months, with blood samples collected to test for protection.
Scientists in Alaska screened over 4,500 samples for avian influenza viruses, detecting 30 cases with varying subtypes. Notably, none of these strains tested positive for the highly pathogenic H5N1 subtype, but researchers will continue to monitor the state's risk and build predictive models to understand virus evolution.
The avian flu pandemic is a pressing global health concern that necessitates strong national and regional leadership to coordinate the response. Without it, the outbreak may be as deadly as the 1918-19 pandemic that killed 20-50 million worldwide.
Researchers in Italy found that low pathogenic avian influenza strains can infect humans, highlighting the importance of improving disease surveillance and vaccination for poultry workers. The study suggests these less virulent strains have the potential to swap genetic material with human strains, resulting in a more virulent virus.
Analysis of M2 protein sequence data reveals higher resistance to antiviral drug amantadine in Southeast Asian H5N1 viruses, especially in China. This suggests selective pressure may be driving the emergence of resistant strains through human activities.
Researchers found that early intervention could slow the pandemic by reducing morbidity until a well-matched vaccine is produced. A combination of targeted antiviral drugs, quarantine, and prevaccination was effective in containing outbreaks with relatively moderate viral reproductive numbers.
Researchers tested oseltamivir on mice infected with H5N1 virus, finding that higher doses for longer periods improved survival rates. The study suggests that antiviral drugs like oseltamivir may be effective in preventing and treating avian flu.
The National Institute of Allergy and Infectious Diseases (NIAID) is conducting a Phase I trial to test the safety and immune response of an inactivated H5N1 avian influenza vaccine. The trial aims to prepare for a potential pandemic, following reports of human cases and suspected transmission.
The NIAID genome sequencing project aims to reveal the genetic blueprints of thousands of human and avian influenza viruses, providing valuable data for researchers studying the virus's evolution and potential targets for new vaccines. The publicly available sequence information will help epidemiologists and other researchers improve t...
The NIAID Pandemic Influenza Preparedness Program supports the development and production of a candidate vaccine against H9N2 avian influenza. The vaccine will be produced by Chiron Corporation in Italy, with different dosages containing an adjuvant to boost its protective effect.
Researchers warn of the potential for human infection due to the highly pathogenic H5N1 avian influenza strain, which has already been responsible for 32 laboratory-confirmed cases and 22 deaths. General precautions such as thorough hand washing and disinfection can help prevent transmission.
Researchers emphasize the need for adequate surveillance and pandemic planning to prevent further avian influenza outbreaks. The development of a vaccine against the H5N1 virus is crucial to mitigate this risk.
A recent avian influenza outbreak in Vietnam underscores the importance of veterinary science and animal husbandry in preventing human pandemics. The article emphasizes that animal experts must receive adequate funding and resources to combat emerging diseases.
Researchers found that a minor change in the arrangement of molecules can turn a relatively benign flu virus into a deadly one. The study used mice to show that even a small amount of the virulent form of the virus was enough to cause fatal infections, highlighting the potential for animal-to-human transmission.
Researchers at UW-Madison have perfected a method for creating designer influenza viruses, which can be tailored to solve mysteries about flu strain mutations, spread, and illness. This technology may lead to more efficient influenza vaccines and safer gene therapies.
Researchers have identified an unusual molecular mechanism that amplifies the disease-causing power of influenza A virus, potentially explaining its lethality in past pandemics. The discovery may lead to better understanding of pathogenesis and identification of new markers for predicting pandemic potential.
A new influenza virus found in Hong Kong has spread directly from poultry to a boy, bypassing typical human adaptation. The virus, H5 subtype HK97, has not been shown to cause infections in humans before.