Articles tagged with Influenza
A Yale University study reveals that cigarette smoke makes flu and other viral infections worse by triggering an exaggerated immune response. This overreaction leads to increased lung inflammation and tissue damage, making smokers more prone to severe illness and death.
Researchers developed mathematical models to determine effective non-pharmaceutical interventions (NPIs) for protecting vulnerable populations in nursing homes. The study found that conventional NPIs can curb mild outbreaks, but higher-level restrictions are needed for severe ones. Staff plays a critical role in controlling disease spr...
Researchers at the University of Pennsylvania School of Medicine have developed a potential new way to vaccinate against avian flu by using synthetic DNA vaccines that induce broad immune responses against pandemic flu. This approach could allow for quick mobilization during an epidemic and has implications for non-avian types of flu.
A new study found that prompt initiation of chemoprophylaxis within five days of detecting an influenza outbreak significantly reduces the duration and severity of outbreaks in long-term care facilities. This approach leads to fewer cases (6.2 vs. 10.5 per 100 residents) and deaths (0.45 vs. 3.3 per 100 ill residents).
Researchers traced flu samples from around the world to determine migration patterns, finding Asia is the breeding ground for new strains. The study's 'antigenic map' shows relationships between viruses and helps predict future outbreaks.
A study by Cincinnati Children's Hospital Medical Center found that 90% of high-cost hospitalizations for young children were linked to influenza. The researchers also identified that 65% of high-cost visits required ICU stays, emphasizing the importance of immunizing children with high-risk conditions.
Researchers analyzed gene sequences of seasonal influenza virus samples collected from temperate regions and found that new strains emerge annually from the tropics. This understanding can help public health officials develop more accurate flu vaccine strategies.
Research found that annual flu vaccines reduced acute respiratory illness and exacerbations of COPD by 67% and 50%, respectively. Patients with severe COPD experienced a 75% reduction in respiratory problems.
Researchers modelled pandemic flu to guide national planning, finding that prompt implementation of social-distancing measures combined with antiviral treatment and prophylaxis can reduce influenza cases by 83-94%.
A new study published in Pediatrics found that 23% of children hospitalized with influenza had a previous hospitalization during the most recent flu-vaccine season. This suggests that providing in-hospital vaccinations to those at highest risk may aid in reducing rates of pediatric hospitalization for influenza.
Researchers found that the M2 protein's motion and structure change when treated with amantadine, blocking the flu virus from infecting healthy cells. The study provides insight into developing alternative antiviral drugs for resistant flu strains.
Researchers have identified a key factor that determines influenza virus ability to infect human upper respiratory tract cells. The H5N1 avian flu virus must adapt to bind to specific sugar molecules coating the cells of our noses and throats.
A new report emphasizes the importance of good hand hygiene in preventing the spread of infections, including colds, flu, and stomach bugs. By washing hands regularly and using alcohol-based hand sanitizers, individuals can reduce the risk of transmission and protect themselves and others from harm.
Researchers developed a new method to assess the danger of flu drug resistance emergence, combining human infection data with a mathematical framework. The study found that immune response plays a crucial role in determining the likelihood of resistant infections spreading.
Global health experts Laurie Garrett and David Fidler propose stockpiling highly specific influenza vaccines and antiviral medicines in Hong Kong to overcome the virus sharing impasse. The proposal aims to benefit developing countries by ensuring they have access to vaccine, reducing the risk of pandemic influenza.
Tamiflu significantly reduces illness severity and duration in children one year and older, with a 29% reduction in influenza severity and 26% reduction in illness duration compared to placebo. The new lower dose capsules offer a convenient alternative for the treatment and prevention of influenza types A and B.
A study found that antiviral medications significantly reduced the risk of death from flu in hospitalized adults, even when given up to four days after symptom onset. The research supports the use of antivirals for treating hospitalized patients with influenza.
Researchers Timothy Chang and Peter Tolias will receive the award for their patent on a liquid dispensing system that enables rapid, low-cost testing of body fluids. The SmartPin device uses tiny electronic sensors to dispense precise amounts of fluid without contamination.
A new study by researchers links low temperatures and relative humidities to the rapid spread of influenza, validating the seasonal flu theory. The study found that low relative humidities facilitate viral transmission, with opposite effects at higher humidity levels.
Researchers from NIH identify sources of bias in previous studies, suggesting strategies to reduce severe influenza outcomes among the elderly. The authors emphasize the need for better flu vaccines and new approaches, including antiviral drugs and targeted vaccination for high-risk individuals.
A new study published in Pediatrics found that annual flu shots significantly reduce outpatient visits and hospitalizations due to flu-related illness. Vaccinating half of U.S. children could prevent up to 650,000 doctor's office visits and 2,250 hospitalizations per year.
A new study by the New York Academy of Medicine highlights the critical need to address vaccination coverage among hard-to-reach populations. The authors propose achievable strategies to increase immunization rates among these groups, including unconventional site distribution and patient reminders.
Rising global temperatures are expected to alter infectious disease patterns, with increased transmission of diseases like malaria and influenza. Climate change is also linked to water-borne diseases, as extreme weather events strain aging infrastructure.
Current health policy based on voluntary vaccinations is not enough to control severe flu epidemics and pandemics unless vaccination programs offer incentives to individuals. Free vaccinations for entire families could actually increase the frequency of severe epidemics, according to UCLA researchers.
A new study by UCLA researchers suggests that current US control strategies for flu epidemics may not be effective and could even make outbreaks worse. The study found that providing free vaccinations to entire families can actually increase the frequency of severe epidemics due to decreased adaptability among household members.
A new experimental flu vaccine made in insect cells has been shown to be safe and effective in protecting against the flu, with a stronger immune response at higher doses. The use of cell culture systems to grow vaccines is a growing business and could potentially slice off months from the production process.
Health Canada has approved COLD-fX as a preventative measure to boost the immune system, reducing frequency and severity of cold and flu symptoms. The product's safety profile is confirmed, with no known side effects or drug interactions for healthy individuals.
A recent global study found that a nasal spray flu vaccine reduced the attack rate of flu in children by 55 percent compared to traditional flu shots. The vaccine was well-tolerated and induced a more complete immune response, with fewer ear infections reported.
A new study found that rapid flu tests can significantly reduce the use of antibiotics in hospitals, which is crucial in combating antibiotic resistance. The study showed that patients whose flu was confirmed early on were treated with antibiotics less often than those whose flu wasn't identified immediately.
A study found that rapid influenza testing led to decreased antibiotic use among hospitalized adults, with a 14% reduction in antibiotic discontinuation compared to those without positive test results. The findings suggest that prompt diagnosis and targeted therapy can help minimize unnecessary antibiotic use.
A University of Michigan study found that the traditional flu shot was effective in preventing influenza in healthy adults, while the live attenuated-virus nasal spray vaccine was less effective. The study compared the two vaccines head-to-head with laboratory confirmation and found significant differences in their protective effects.
A RAND Corporation study found that nursing homes with high staff and resident vaccination rates are less likely to experience flu outbreaks. Vaccination rates of over 55% for staff and 89% for residents were associated with a 60% reduction in influenza-like illness cases.
Researchers are urging more study on non-pharmaceutical interventions such as social distancing and hand washing during annual flu season. The lack of comprehensive data on community epidemiologic data hinders the design of effective interventions, making it crucial to prepare for potential pandemic flu.
Researchers at FSU's Magnet Lab, in partnership with Brigham Young University, are studying the Influenza Type A virus using advanced NMR technology. They have discovered key components of protein channels that regulate viral gene distribution and reproduction.
A new study by Children's Hospital of Philadelphia reports that hospital costs for influenza-related admissions in children are significantly higher than previously thought, with costs ranging from $7,000 to $40,000. The study supports the economic case for annual flu vaccinations, especially for high-risk conditions.
As part of the 'Vote and Vax' initiative, flu vaccine clinics will be stationed next to polling sites in 26 communities nationwide, targeting areas with low flu shot delivery rates. The program aims to increase flu vaccination among Americans aged 50+, who are particularly vulnerable to the disease.
A large majority of Americans are willing to make significant changes in their lives and cooperate with public health officials' recommendations during a pandemic flu outbreak. However, many would face critical work-related problems and financial concerns if they had to stay home from work for an extended period.
A booster shot given before a primary immunization may protect people against bird flu. Studies in Rochester suggest that adults who have never encountered the virus would benefit from an additional dose.
Researchers have created antibodies against H5N1 virus, showing complete protection in mice at low doses when administered before infection. Higher doses are required for later administration, with less effective results from a second antibody.
The Burmese junta's inadequate response to HIV, TB, malaria, and avian flu has led to weakened laboratory infrastructure and a lack of skilled personnel. This hinders the country's ability to effectively control these diseases, with high rates of infection and rising resistance reported.
A new study by mathematical biologists at The University of Texas at Austin recommends vaccine distribution strategies for potential shortages. The best approach depends on the contagiousness of the flu strain, with school children and high-risk groups being prioritized accordingly.
Incomplete vaccination of poultry flocks can lead to undetected spread of deadly avian flu strains like H5N1, according to a new study published in Nature journal. The research suggests that nearly all birds must be vaccinated to prevent silent transmission between farms.
A new study explores how people make medical decisions, revealing that stepping into others' shoes can lead to better choices. By considering multiple perspectives, including those of doctors, parents, and medical directors, participants made treatment decisions that were more informed than their own self-interest would suggest.
A new NIAID study found that a higher dose of flu vaccine significantly increases the immune responses of older adults, providing hope for better protection against seasonal influenza. The trial showed that participants who received a high-dose vaccine had 44-79% higher levels of antibody than those who received the standard dose.
A study found that higher dose flu vaccines significantly enhanced protection against naturally occurring influenza, increasing immunogenicity in the elderly. The research also showed that all three vaccine dosage levels were safe and well-tolerated.
A recent study found that an intranasal influenza vaccine was significantly more effective in protecting young children against flu infection than traditional injections. The vaccine, known as CAIV-T, was 55% more effective in reducing influenza-like illness in children.
Researchers used mathematical modeling to simulate worldwide outbreaks and concluded that restrictions on air travel would achieve very little in controlling the spread of a new flu virus. Local measures such as vaccines and antiviral drugs could be more effective in controlling the spread of the virus.
Researchers have discovered that the sweetgum tree contains significant amounts of shikimic acid, a key ingredient in the production of Tamiflu, a treatment for bird flu. This finding could help alleviate the global shortage of the drug, which has sparked concerns over a potential pandemic.
A 10-year federally sponsored flu vaccination promotional program aimed at the elderly could increase vaccination rates by 20 percentage points within its first five years and achieve a 90% vaccination target. The study found that such a program would save more than 6,500 lives at a cost of $37,600 per life-year saved.
A survey of medical and non-medical experts predicts a high risk of avian flu pandemic, with only a 15% chance of the US having sufficient vaccines. The greatest hope for mitigation lies in heightened global surveillance, hand washing, mask wearing, and social distancing.
Researchers in Hong Kong found that flu outbreaks increase hospital admissions for heart conditions, stroke, diabetes, and respiratory diseases. Influenza was responsible for 11.6% of respiratory disease admissions, comparable to temperate countries.
Despite growing concern about avian flu, most Americans do not expect a widespread outbreak in humans in the US within the next year. However, many respondents would take precautions to reduce their risk of exposure and report being concerned about the potential economic disruption caused by such an outbreak.
Researchers use mathematical modeling to predict that flu outbreaks will emerge in multiple locations and that containment efforts will only buy time. The study suggests that a multi-pronged preparedness strategy is needed to effectively prevent pandemics.
A Vanderbilt University Medical Center study found that media coverage had a significant impact on pediatric flu vaccination rates nationwide. The study surveyed 256 parents and found that 75% of children with confirmed influenza dates received the vaccine after mid-November 2003, influenced by media attention.
A team at UC Irvine will receive a $1.5 million grant to develop computer-based simulations of pandemic flu and other infectious disease outbreaks. The research aims to improve understanding of how to prepare for and contain the spread of such diseases.
A UCLA/Harvard study reveals that less than half of US healthcare workers receive flu shots, with lower rates among African American and younger workers. This low vaccination rate increases the likelihood of flu transmission to patients, highlighting the need for targeted educational campaigns to improve outreach and vaccination rates.
Research by Ann Falsey and Edward Walsh finds that RSV affects elderly and high-risk adults as much as the flu, causing thousands of deaths annually. Hand washing remains ineffective in preventing RSV, despite its proven ability to prevent other infections.
NIH-funded scientists developed a glycan array tool to detect changes in flu viruses that precede human infection. The technology can monitor the emergence of efficient flu strains from avian origin.
Studies on evolution at the genetic level revealed new insights into the human species' evolutionary history and potential for personalized medicine. Other research advances included planetary discovery, plant molecular biology, and a deeper understanding of neutron stars and climate change.
A new nanoparticle sensor developed at the University of Rochester can detect individual flu viruses and particles, setting a high bar for detection techniques. Meanwhile, researchers from the University of Twente have found that thin grooves with sharp edges can speed up drying even in humid conditions.