Articles tagged with Pandemic Influenza
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A major study found that double dose oseltamivir does not improve outcomes in patients with severe influenza, contradicting previous suggestions. The results have significant implications for pandemic preparedness and drug stockpiling.
Researchers develop a gene therapy that gives mice complete protection against lethal strains of H5N1 and H1N1 flu virus, including the infamous 1918 flu. The treatment involves expressing a broadly neutralizing antibody in nasal epithelial cells, providing substantial reductions in flu replication and virus load.
Researchers suggest focusing on boosting natural killer cells to better eliminate influenza virus, potentially overcoming drug resistance issues. Current drugs can boost NK cell activity, improving flu recovery without mutating strain susceptibility.
A new study reveals that the 2009 H1N1 swine flu pandemic was deadliest for people under the age of 65, while those 65 and over had greater immunity due to previous exposure to similar viruses. Researchers suggest targeting pandemic vaccination campaigns to adults under 65 in comparable scenarios.
The US is on high alert for a potential Chinese Avian Flu pandemic, with over 100 infected and 24 deaths reported. The US Preventive Services Task Force also recommends screening all adults for alcohol misuse to reduce preventable deaths.
Researchers at MIT have identified strains of H3N2 circulating in birds and pigs that could potentially cause a pandemic if they jump to humans. Current flu vaccines may not offer protection against these strains.
The H5N1 vaccine candidate induced a solid immune response in all three configurations of adjuvant and route of administration, exceeding the CHMP immunogenicity criteria. The results demonstrate the potential for significant 'dose-sparing' with the intradermal delivery device.
Researchers have developed a set of molecular assays that can diagnose and subtype influenza viruses rapidly, without the need for additional equipment. The assays can detect major resistance mutations to oseltamivir and provide information on viral load and antiviral susceptibility within one working day.
A new study found that approximately half of Tamiflu prescriptions were unused in England during the 2009-10 influenza pandemic. The unused medication represents around 600,000 courses and a significant financial cost to the UK taxpayer.
A genetic analysis of the avian flu virus reveals it is evolving to adapt to human cells, allowing it to efficiently infect humans. The study found that the virus can grow in human cells at a lower temperature than birds, posing a significant risk to human health.
A recent study found that disease surveillance and notification systems performed effectively during the 2009 H1N1 influenza pandemic. The systems were able to quickly identify the novel viral subtype and trigger national and global pandemic plans.
Researchers used surveillance data to identify coastal areas in China and the Nile Delta in Egypt as high-risk zones for future flu outbreaks. These regions could be targeted for increased monitoring and vaccination efforts to prevent a pandemic.
A meta-analysis found a small excess risk of Guillain-Barré syndrome associated with H1N1 flu vaccination. However, the benefits of vaccination significantly outweighed the risks. The study analyzed data from 23 million people vaccinated in the USA during the 2009 pandemic.
A new method better assesses pandemic risks by estimating transmissibility of emerging zoonotic viruses, such as the H3N2v-M virus, using routine surveillance data. This approach is simple and robust, but may not be suitable for non-subcritical outbreaks.
A study found a 14-fold increased risk of narcolepsy after receiving the AS03 adjuvanted pandemic A/H1N1 2009 vaccine, with vaccination within six months associated with an even higher risk. The authors suggest that the true risk may be lower due to delayed diagnosis.
Researchers at the University of Louisville have identified H1N1 strain variations that hijack the body's immune system. The study found that these variants differ in their ability to fight off infection, with some more severe than others.
A new research methodology uses network theory to identify outbreaks of unidentified diseases, providing a promising tool for predicting and preventing pandemic diseases. The method analyzed data from 125 outbreak reports and showed distinct patterns for emerging diseases like Nipah virus, allowing for probable diagnoses.
A new paper argues that current approaches to pandemic preparedness are flawed and propose alternative strategies. By prioritizing the needs of the world's poorest and most vulnerable people, we can develop more effective responses to pandemics. This approach would involve re-examining the role of pharmaceuticals, improving disease sur...
The international collaboration found that 20-27% of people studied were infected during the first year of circulation, with higher rates in children and lower rates in older adults. The study estimated that up to a quarter of the world's population may have been infected.
The study found that disruption to public health infrastructure was the primary factor contributing to infectious disease outbreaks, accounting for 40% of cases. The authors recommend prioritizing development funding over emergency funding to strengthen surveillance and diagnostic capacity in developing countries.
Prominent microbiologists argue for and against lifting the H5N1 research moratorium, discussing biosecurity measures and public engagement. The debate highlights concerns over biosafety and biosecurity, with some experts advocating for standardized guidelines and others emphasizing the need for caution.
Researchers at the University of Warwick have created a model to predict the impact of future pandemics in real-time. By analyzing statistical data, they found that infection rates were higher than previously thought and transmission probabilities decreased with increasing household size.
Researchers developed a new model that incorporates detailed household transmission data to better predict flu outbreaks. The study found that infection rates were higher than previously thought, revealing the importance of including untested individuals in outbreak analysis.
A recent survey of over 5000 people in five countries found that Britons were the least likely to adopt protective behaviors against the flu. In contrast, Mexicans made significant efforts to cover their mouths with tissues when coughing and sneezing during the pandemic.
US schools are not adequately prepared for pandemics due to a lack of written plans and coordination with local agencies. Researchers at SLU's Institute for Biosecurity surveyed over 2000 nurses and found that only 48% of schools address pandemic preparedness, emphasizing the need for annual reviews and nurse involvement.
The reconstructed 1918 influenza virus has provided key insights into how to prevent and control future pandemics. By studying the virus's structure and evolution, researchers have identified potential targets for universal influenza vaccines that can protect against multiple viruses.
A broadly protective, fully human monoclonal antibody targeting a conserved region on the influenza hemagglutinin protein provides 100% protection against all H1N1 and H3N2 strains in mouse models. This antibody approach may be a turning point for seasonal and pandemic influenza prevention and treatment.
A study published in the American Journal of Infection Control found that less than half of US schools address pandemic preparedness and only 40% have updated their plan since 2009. Many schools lack personal protective equipment, staff training, and medication stockpiles, highlighting the need for improved emergency planning.
The trial aims to evaluate the safety and immunogenicity of the H5N1 vaccine combined with IDRI's GLA adjuvant, which may result in a self-administered flu vaccine. The collaboration has the potential to expedite vaccination and simplify distribution during a pandemic.
Researchers at Scripps Research Institute describe three human antibodies protecting against a wide variety of flu viruses, including Influenza B strains. These broadly neutralizing antibodies may provide key clues to designing an active universal flu vaccine.
Physicians can improve antibiotic prescribing habits by paying attention to contextual clues, reducing flu season prescribing rates. The authors recommend equal evaluation of HbA1c levels for diabetes diagnosis in all racial groups, as black patients have higher levels at the same blood glucose levels.
Researchers at EMBL have determined the 3D structure of part of the flu virus' RNA polymerase, crucial for replication. This finding enables the design of innovative anti-flu drugs targeting all influenza strains.
A recent NIH study found that equatorial regions in Brazil experienced less severe and delayed influenza mortality during the 2009 pandemic. The study, published in PLOS ONE, suggests that climate played a key role in the dynamics of the outbreak.
A new strain of influenza virus found in harbor seals has adaptations to living in mammals and may pose a threat to human health. The virus's ability to target a receptor found in the human respiratory tract raises concerns about its potential to cause severe disease.
A recent study found a small but significant risk of Guillain-Barre syndrome following H1N1 vaccination, primarily in individuals over 50 years old. The risk was estimated to be approximately 2 cases per 1 million doses, with most cases occurring within 4 weeks of vaccination.
A Wayne State University researcher is conducting a study to understand the link between obesity and severe flu outcomes. The study aims to identify specific factors that contribute to poor health outcomes in obese patients with influenza, with the goal of developing targeted treatment strategies.
A collaboration between US research centers highlights three disease characteristics that determine whether an outbreak becomes a serious epidemic: pre-symptom transmission, reproductive number, and disease stage length. Simulation models demonstrate that current response plans may underestimate consequences significantly.
Researchers estimate that pandemic flu deaths were 15 times higher than reported, with 80% of cases occurring in people under 65 years old. The study suggests a significant human toll and highlights the need for improved influenza disease burden modelling globally.
A successful swine flu vaccination program in Scotland showed 77% protection against the H1N1 virus, while also reducing hospital admissions by 20% due to related disorders. The program's effectiveness was demonstrated through detailed data analysis, which took into account multiple conditions such as pneumonia and COPD.
Researchers developed a web-based service that simulates pandemic flu spread, forecasts hospitalizations, and determines optimal ventilator placement. The Texas Pandemic Flu Toolkit uses data from the Outpatient Influenza-Like Illness Surveillance Network and factors like humidity predictions to inform public health interventions.
Researchers have made a significant discovery that the pandemic 2009 H1N1 vaccine can produce antibodies against not only the H1N1 virus but also other influenza virus strains including H5N1 and H3N2. This breakthrough brings the team closer to developing a pan-influenza vaccine that can reliably induce broadly cross-reactive antibodies.
Researchers found that the 2009 H1N1 pandemic vaccine triggers antibodies protecting against many influenza viruses, including deadly avian H5N1 strain. This discovery could lead to universal flu vaccines eliminating seasonal vaccination needs.
A study published in Nature shows that relatively few amino acid mutations enable avian H5N1 influenza virus to transmit in mammals. This breakthrough has significant public health benefits and contributes to understanding the pathogen's transmission dynamics.
Researchers developed a disposable microfluidic chip that provides accurate, point-of-care flu diagnosis, replacing expensive lab tests. The chip extracts RNA from Influenza A virus and replicates the sample for detection, producing faster and cheaper results.
The Brazilian Navy faced its worst enemy in WWI - the Spanish flu, resulting in over 100 soldier deaths. The research sheds light on the factors contributing to this tragic event, including weakened respiratory systems and lack of immunity.
Healthcare professionals are more likely to get vaccinated if they believe the flu jab really works, according to a descriptive meta-analysis of 85,000 healthcare workers. Convenient access and willingness to prevent spread also play significant roles in increasing vaccination rates.
A McMaster University study finds that closing schools can significantly reduce the spread of pH1N1, with a 50% reduction in transmission observed. The research used high-quality data from Alberta to demonstrate the effectiveness of school closures as a control measure during pandemic outbreaks.
A global conversation is needed to address the risks of avian flu research, according to a new policy statement. The National Science Advisory Board for Biosecurity warns that publishing certain research details could lead to the development of deadly transmissible influenza viruses.
Scientists have identified peptides on internal structures of influenza viruses that could provide immunity against all strains, including seasonal and pandemic flu. This breakthrough could lead to the development of a universal vaccine that activates T-cell immune responses.
A University of Michigan study found that pairing masks and hand washing can reduce flu-like symptoms by up to 75 percent. The research suggests that these measures should be used together for maximum effectiveness in preventing the spread of illness.
A new diagnosis technique has been developed to detect influenza virus infection in just 40 minutes, surpassing conventional methods in speed and sensitivity. This technique was confirmed through clinical research conducted in Japan during the 2009 pandemic, demonstrating its effectiveness in rapidly identifying infected patients.
A new study finds that La Niña conditions in the equatorial Pacific precede four major flu pandemics, including 1918, 1957, 1968 and 2009. The researchers theorize that altered bird migration patterns promote genetic reassortment of the influenza virus.
The Hajj pilgrimage in Saudi Arabia has provided valuable lessons on managing mass gatherings and preventing global disease outbreaks. The country's experience in enhancing screening and surveillance measures has been crucial in tackling complex public health challenges.
Mass gatherings provide a unique opportunity to promote vaccination and reduce the spread of infectious diseases, as seen in outbreaks at World Youth Day and music festivals. Coordinated risk assessment and management are key to preventing disease transmission during and after events.
Scientists at the International Vaccine Institute have discovered a sublingual vaccine that protects mice against various flu viruses, including H5 and H1. The vaccine induces immunity in the lungs and offers an alternative strategy to prevent influenza infection.
The International Severe Acute Respiratory Infection Consortium (ISARIC) aims to enhance the clinical research community's preparedness for emerging public health threats. By developing standardized protocols and promoting data-sharing, ISARIC hopes to improve response times and save lives.
A study by the University of Maryland found that social determinants like workplace policies and household size contributed to a higher risk of exposure to H1N1 among Hispanics during the 2009 pandemic. The researchers suggest creating federal sick leave mandates to address this health disparity.
Researchers are studying two enzymes to combat the flu virus, which causes 36,000 US deaths and 200,000 hospitalizations annually. The goal is to identify targets for drug therapies that can block the spread of the influenza virus.
Researchers have confirmed a rare incidence of individuals becoming infected with both seasonal and pandemic strains of the flu at the same time. Experts say this highlights the ongoing risk of distinct flu viruses combining in human hosts, particularly in Southeast Asia where avian influenza and pandemic H1N1 are prevalent.
A meta-analysis found that licensed influenza vaccines in the USA have critical gaps in evidence for effectiveness, especially in high-risk individuals and those over 65. The study suggests a need for more highly effective and cross-protective vaccines to combat seasonal influenza and potential pandemics.