Articles tagged with Influenza
A new study shows that a particular gut microbe can prevent severe flu infections in mice by breaking down flavonoids, which are commonly found in foods like black tea and blueberries. The research identifies a specific metabolite called desaminotyrosine that enhances interferon signaling, reducing lung damage from flu infection.
Researchers found that prior vaccination in pregnant women did not significantly affect the transfer of flu antibodies to their babies, contradicting initial concerns. Weakened maternal immune responses from repeated flu shots also hindered peak antibody levels.
Researchers at Duke University have developed a new way to produce the seasonal flu vaccine that could speed up production and provide better protection against infection. By keeping the human influenza virus from mutating during production, they generate a perfect match to the target vaccine in a shorter time frame.
Research at the University of Cincinnati reveals that stimuli inducing lung cell division increase the spread of influenza to the alveoli, making these cells a vulnerable target. Interventions preventing alveolar cell division reduce mortality in animal models, offering potential prophylactic and therapeutic strategies for influenza pn...
A large clinical trial found that the high-dose flu vaccine significantly reduced hospitalization rates among nursing home residents, with a relative risk of hospitalization being 12.7 percent lower for the high-dose group. The vaccine also appeared to help prevent hospitalization for other problems, including cardiovascular symptoms.
Researchers have identified a genetic variation that increases the risk of severe flu symptoms in patients. The variant, known as rs34481144, is linked to reduced killer T cell function and lower levels of the protective IFITM3 protein, suggesting a potential genetic marker for flu risk.
A novel DNA-based strategy delivers monoclonal antibodies to protect against highly diverse strains of influenza A and B viruses. The approach holds promise as a simple and economical way to overcome current flu vaccination limitations.
UNIST has received a $4.5 million ITRC project grant to develop a self-charging tracking device that can monitor wild birds and detect potential bird flu outbreaks. The new technology, called Mobile Tracker, is expected to provide early warnings and aid public health officials in preventing the spread of disease.
A new study analyzed flu samples from four transplant patients with long-lasting infections, revealing certain viral changes that matched global flu evolution trends. The researchers found that some mutations fixed in these patients would eventually take over the worldwide population of viruses.
A phase 1 trial involving 100 people found that a dissolvable microneedle patch for the flu vaccine was safe and acceptable, with participants reporting high acceptability and preferring it over conventional injection. The patches were stable for one year at 40 degrees Celsius, reducing delivery and storage costs.
A phase I clinical trial found that influenza vaccination using microneedle patches was as effective as traditional shots, generating robust immunity against influenza. The patches were well-tolerated, with no adverse events reported, and participants preferred them over traditional vaccination methods.
A study of 338 mothers found no evidence of increased autism risk from maternal influenza diagnosis alone, but a trend towards risk was seen in those with lab-verified infection and symptoms.
Australian researchers have developed a world-first test to identify patients at risk of developing serious secondary infections. The High-risk Influenza Screen Test measures an early warning signal released by the patient's body, predicting potential complications with high accuracy.
A new study from the University of Waterloo found that half of those who avoid flu shots do so due to concerns over vaccine effectiveness and personal immune systems. The study also revealed that moral and religious reasons, as well as past poor vaccine experiences, contribute to avoidance.
Researchers found that vaccinated obese adults are twice as likely to develop influenza and flu-like illnesses compared to those of healthy weight. The study suggests that existing blood tests may provide misleading information for obese individuals.
A new study in American Journal of Public Health predicts seasonal influenza outbreaks one month earlier than before using a Thermia online health educational tool and iThermonitor wearable device. Data collected from 45,000 users revealed real-time detection of 'influenza-like illnesses', improving disease surveillance.
Vaccinating pregnant mothers year-round against flu in Nepal reduced infant flu virus infection rates by an average of 30 percent, increasing birth weights by 15 percent. The study also found that expanding year-round flu vaccinations during pregnancy would benefit children in other tropical and subtropical parts of the world.
Scientists have developed a rapid and low-cost diagnostic device that can detect influenza A with 70% accuracy. The point-of-care test is fast, easy to use, and costs less than $6 per device, making it a promising solution for doctors and hospitals in preventing the spread of flu pandemics.
A computational model developed by Northeastern researchers uses Twitter data to project the spread of seasonal flu in real time, accurately forecasting the disease's evolution up to six weeks in advance. The model incorporates key parameters such as incubation period, immunization rate and viral strains present.
A new analysis suggests that the US Centers for Disease Control and Prevention's (CDC) recommendation against the inhaled flu vaccine may not be detrimental if it becomes effective. The study found that close surveillance will be needed to ensure the vaccine continues to do more good than harm.
A study found that healthcare workers have the highest rate of flu vaccination coverage, at 62.3%, while construction workers have the lowest rate, at 18.7%. Increasing vaccination efforts can reduce influenza spread in workplaces.
A new study from the University of Pennsylvania found that a simple behavioral economics technique, known as 'active choice,' can increase flu vaccination rates by up to 37%. By programming electronic health records to alert care providers when a patient is eligible for a flu vaccine, clinics saw significant increases in vaccinations. ...
A Rutgers study found that doctors who schedule flu shots for patients are three times more likely to get vaccinated. Patients are more receptive when their physicians take a proactive stance, increasing vaccination rates.
Researchers found that asthmatics have weaker immune systems, leading to more severe flu symptoms. The study analyzed lung samples from asthmatic and healthy individuals, showing a stronger immune response in healthy volunteers.
A recent study found that UK parents' concerns about the child flu vaccine's safety and side effects reduce its uptake. The researchers recommend reinforcing public health messages to address these concerns, focusing on the vaccine's effectiveness in preventing flu and highlighting serious complications of the illness.
Researchers at the University of Virginia Health System found that asthma drugs Accolate and Singulair may prevent severe pneumonia by blocking the infection of alveolar air sacs. Early treatment with these drugs could potentially reduce mortality rates from influenza pneumonia, which can be deadly.
Duke researchers have identified a group of proteins detected in specific quantities in the mucous, which are 86 percent accurate in confirming the infection is from a cold or flu virus. The discovery aims to develop a quick, noninvasive test to determine the cause of upper respiratory illness and appropriate treatment.
A new study shows that oseltamivir can reduce influenza infections and prevent deaths in a cost-saving manner. The antiviral drug is found to be effective and affordable under most pandemic scenarios, particularly in high transmissibility situations.
A new method developed by Joana Goncalves-Sa's group can predict the onset of seasonal flu epidemics with accuracy, allowing health services to prepare and respond more promptly. The method integrates data from various sources, including official influenza incidence rates and Google searches, to identify changes in case numbers.
Perena Gouma's invention uses semiconductor sensors to detect the flu virus in a patient's breath, potentially leading to earlier diagnosis and treatment. The handheld device has far-reaching implications for public health and may help prevent flu epidemics from spreading.
The quadrivalent influenza vaccine (QIV) is expected to provide health benefits in most parts of the world by reducing the burden of influenza. By targeting all four circulating strains, QIV may reduce medical costs and save lives compared to the trivalent influenza vaccine (TIV).
The Global Initiative on Sharing All Influenza Data (GISAID) facilitates the rapid sharing of information during outbreaks and builds trust with countries key to global pandemic preparedness. By collating a comprehensive repository of high-quality influenza data, GISAID contributes to global health in several ways.
Research using 20,000 virus samples and weather statistics found that cold weeks precede flu outbreaks. Cold and dry weather allows aerosol particles to remain airborne, increasing the spread of viruses.
A mathematical model reveals that deployment of universal vaccines across large populations can significantly reduce flu transmission, slow the emergence of new strains, and transform influenza management in the future.
A new computer model developed by Columbia University researchers predicts influenza outbreaks with 82% accuracy at a week's notice, particularly for small upticks. The model also forecasts outbreak duration and magnitude, but its accuracy varies depending on the severity of the outbreak.
A recent study found that pregnant women who wanted to get vaccinated were often discouraged by healthcare professionals due to misconceptions about vaccine safety. The World Health Organization and Health Canada classify pregnant women as high-risk groups for severe flu complications.
Two studies show that schools implementing asthma care programs and vaccinating children with asthma against the flu can significantly improve attendance rates. A total of 90% of students were able to return to class after receiving treatment, compared to 11% without access to these services.
A new global report calls for a 5-step plan to improve hygiene practices and reduce the burden of infectious diseases in children worldwide. The report aims to halve the incidence of diarrhoea and reduce common infections such as gastroenteritis, colds, and influenza in babies and children.
A Scripps-led study found a positive association between flu outbreaks and absolute humidity across all latitudes, with a critical temperature window of 70-75 degrees Fahrenheit. Researchers suggest using humidifiers in dry climates and dehumidifiers in tropical regions to control the spread of the virus.
Researchers have identified a rare mutation in the Non-Structural 1 protein that renders the flu virus defenseless against the immune system. This discovery could lead to the development of more effective live flu vaccines.
A new trial will enroll over 9,000 participants in the US and Canada to test a high-dose flu vaccine for heart patients. The study aims to reduce hospitalizations and deaths among vulnerable individuals, with half receiving a more potent vaccine.
A study in mice found that recalling 'old' antibodies does not compromise the response against new flu strains. In fact, some 'original antigenic sin' antibodies are highly effective at protecting against secondary encounters with antigenically drifted viral strains.
A new study published in Proceedings of the National Academy of Sciences found that polymers can selectively target dying cells, halting chronic inflammation in lupus while enhancing flu immunity. The approach shows promise for treating a range of inflammatory conditions.
A recent study published in Annals of Internal Medicine has found that flu nasal sprays provide similar protection against influenza as standard flu shots. The study, conducted over three years in a Hutterite colony, shows that the nose spray had a similar effect to the standard flu shot in protecting both children and community members.
Researchers found that immunizing children with the flu nasal spray did not provide better direct or community protection against influenza than the inactivated influenza vaccine, but offered similar protection. This contradicts earlier studies suggesting the nasal spray vaccine provided better herd immunity.
Researchers have discovered that secondary infection with MRSA often kills influenza patients due to altered antibacterial response of white blood cells. The flu virus can cause extensive lung damage by suppressing the ability of macrophages and neutrophils to kill bacteria, leading to lethal inflammation.
A new study shows that substituting sick workers with healthy ones can explosively accelerate the spread of some epidemics, contradicting standard mass-action models. The researchers' dynamic network model indicates that a sudden reduction in replacement rates can lead to a significant increase in disease prevalence.
A new study from Imperial College London found that the flu vaccine may significantly reduce the likelihood of hospitalization with stroke and heart failure in people with type 2 diabetes. Patients who received the influenza vaccination had a 24% lower death rate compared to those who weren't vaccinated.
A new study found that an intranasal flu vaccine led to the production of T cells in the lungs that provided long-term protection against multiple flu strains, including those not present in the vaccine. This could provide universal protection against emerging viral strains.
A new study found that vaccinating mothers against flu can significantly reduce the risk of their infants getting flu during the first four months after birth by 70 percent. This breakthrough could help reduce flu-related deaths, particularly in poor developing countries where access to healthcare is limited.
Researchers discovered that a protein called methylation controlled J (MCJ) can be altered to boost the immune system's response to the flu. MCJ acts as a braking system in mitochondria, slowing down energy production and preventing overactive cells from killing healthy ones.
A study found that racial/ethnic minorities are less likely to receive flu vaccinations, with those who report discrimination being about half as likely to be vaccinated. However, after adjusting for other factors, the difference becomes nonsignificant, suggesting that perceived discrimination may not be the primary cause of the dispar...
A new study published by the European Society of Cardiology found that flu vaccination reduces hospitalization risk for heart failure patients. The research analyzed over 60,000 patient records and found a 30% lower risk of cardiovascular hospitalization after vaccination.
Researchers found that differences in immune cell parameters correlate with an individual's immune response to the flu vaccine. People who show a better antibody response after vaccination have higher levels of specific proteins on dendritic cells and more B cells, indicating improved immunity against flu.
Researchers used cloud-based electronic health records (EHRs) to track flu outbreaks in real time, outperforming Google Flu Trends. A machine-learning algorithm accurately predicted national and local influenza activity, enabling timely preparedness for public health officials.
A study published in PLOS ONE identifies distinct patterns of seasonal influenza activity in the tropics and subtropics, grouping countries into eight geographical zones. These zones can inform targeted flu vaccination programs, providing valuable insights into optimal delivery timing and vaccine formulation.
Researchers found that morning flu vaccinations led to significantly larger increases in antibody concentration one month after vaccination, compared to afternoon vaccinations. The study suggests a potential strategy to improve vaccination efficiency without additional cost to the healthcare system.
A new Yale-led study finds that older adults are more susceptible to flu due to a reduced antiviral response, leading to increased inflammation and damage. Researchers propose targeting inflammation to combat flu in vulnerable patients.
Researchers at PolyU have developed a novel nano biosensor for rapid detection of flu virus using upconversion luminescence resonance energy transfer (LRET) process. The technology reduces testing duration from 1-3 days to 2-3 hours and costs around HK$20 per sample, making it a low-cost and efficient diagnostic tool.
Research led by the University of Pittsburgh School of Medicine found that state laws mandating influenza immunization for health care workers increased their vaccination rates from 22.5% to 50.9% between 2000 and 2011. The study suggests that stronger laws, including mandates and education, lead to higher vaccination rates.