Articles tagged with Flu Vaccines
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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.
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.
A large study of Medicare beneficiaries found the high-dose flu vaccine was 36% less likely to result in death following hospitalization or emergency department visits with a flu diagnosis compared to the standard-dose vaccine. However, its effectiveness varied by season and type of influenza virus.
A global vaccine injury compensation system would improve vaccine participation in low-resource countries, addressing hesitancy and economic concerns. The proposed system would provide economic certainty to manufacturers and build trust for vaccines, ultimately improving public health outcomes.
A team from the University of Pennsylvania identified circulating helper immune cells in blood after an annual flu vaccine, tracking their contribution to antibody strength. The study found that these cells play a crucial role in antibody development and could inform future vaccine design.
A study by Hyunmin Lee found that individuals tend to think the media's coverage of flu epidemics influences others more than themselves. This perception counteracts the message's intended behavior, leading to decreased vaccination intentions.
Researchers at the University of Rochester Medical Center have created two new live-attenuated vaccines against canine influenza viruses, which can be transmitted to humans. These vaccines provide better immune protection and longer periods of protection than existing inactivated vaccines.
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).
Research by University of Maryland Professor Sandra Crouse Quinn explores how race influences flu vaccine attitudes and behaviors. African Americans exhibit lower confidence in the vaccine safety process, lower trust, and skepticism, which hinder vaccination rates despite public health efforts.
Researchers at Vanderbilt University Medical Center have made a groundbreaking discovery about the human immune system's response to the bird flu vaccine. They found that neutrophils, a type of white blood cell, play a previously unobserved role in vaccine response and may function as antigen-presenting cells.
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.
Researchers at Emory University School of Medicine have engineered a live attenuated RSV vaccine candidate that is highly effective in mice and cotton rats. The vaccine, called OE4, induces high levels of antibody production while maintaining its immunogenicity, making it a promising candidate for further clinical investigation.
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.
Researchers developed a technology that could produce influenza B vaccines with higher efficacy, using mammalian cell culture instead of eggs. This could lead to better protection against both lineages of influenza B and improved ability to respond during an influenza pandemic.
Researchers successfully developed a vaccine against influenza using genetically modified live virus that activates the immune system but cannot replicate in healthy cells. The new vaccine proved effective in mice, guinea pigs, and ferrets, offering an antibody response comparable to existing vaccines.
A large study of over 196,000 children found no association between a mother having an influenza infection during pregnancy and an increased risk of autism spectrum disorders. While there was a suggestion of increased risk with maternal vaccination in the first trimester, this finding was not statistically significant after adjusting f...
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.
Researchers at UT Austin report that conventional flu vaccines may not be effective, and a new class of antibodies could protect against multiple strains. The study discovered a new approach to identifying and quantifying antibodies in human blood, allowing for more precise understanding of vaccine efficacy.
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 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.
A study published in the Canadian Medical Association Journal found that provinces allowing pharmacists to administer influenza vaccines had slightly higher vaccine uptake rates compared to those without such policies. The study analyzed data from over 481,000 people aged 12 and above across seven years.
Researchers found that flu vaccines with adjuvants do not work as well in obese mice, highlighting the urgent need to understand vaccine response in obese humans. Obesity leaves individuals at increased risk for flu-related complications, including hospitalization and death.
A recent study published in mBio found that obese mice who received influenza vaccines with and without adjuvants were not protected against the flu. Despite increased antibody responses, obese mice succumbed to infection due to a combination of factors, including increased viral load and severe disease severity.
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 flu vaccination in people with type 2 diabetes is associated with reduced rates of hospital admission for cardiovascular and respiratory diseases. The vaccine was linked to a 19% reduction in heart attacks, 30% lower risk of stroke, and 22% decrease in heart failure hospitalizations.
Researchers have identified three types of vaccine-induced antibodies that can neutralize diverse strains of influenza virus, which could guide development of a universal flu vaccine. The discovery provides clear evidence that these antibodies can be induced by a vaccine, making them a potential basis for a universal flu vaccine.
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.
Scientists at Vanderbilt University have developed monoclonal antibodies that effectively neutralize the H3N2 variant virus (H3N2v) in human subjects who received an experimental vaccine. These antibodies were able to neutralize H3N2 strains circulating between 1995 and 2005, but not currently circulating human H3N2 strains.
Infants born to vaccinated mothers show high protection against influenza illness at 8 weeks, but efficacy decreases with age. The duration of this protection is limited to the first 8 weeks of life.
Researchers develop customizable RNA vaccines that can be manufactured in one week, inducing strong immune responses against various pathogens. The vaccines show 100% effectiveness in tests in mice, making them a promising alternative to traditional vaccines.
A new study suggests that an avian influenza virus vaccine can trigger broad and durable protection against multiple flu strains, offering a promising path toward a universal flu vaccine. The research identifies unique epitopes on the virus and highlights the potential of non-neutralizing antibodies in providing protection.
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.
A new data visualization platform, VIEW-hub, reveals stark numbers on where shortfalls exist in vaccine introduction and coverage. Globally, 72% of child deaths from pneumonia and diarrhea occur in just 15 countries, with India and Nigeria being the worst-affected. The platform provides real-time data updates to monitor introduction an...
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 approach predicts the antigenic evolution of circulating influenza viruses, enabling a closer match for vaccine viruses and potentially improving vaccine effectiveness. The method identifies clusters of viruses featuring novel mutations, which can predict the molecular characteristics of next seasonal influenza virus.
A study of over 20,000 patients with heart failure found that flu vaccination was associated with a 35% lower risk of developing dementia. Those who received the flu vaccine more than three times had a 55% lower risk. The researchers suggest that vaccination may reduce inflammation and prevent brain damage
Scientists developed a novel strategy to predict how circulating influenza viruses will evolve, which may help create better seasonal flu vaccines. The approach involves simulating mutations in lab and mapping patterns using antigenic cartography, revealing clusters of unique mutations that match natural evolution.
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 found that babies whose moms receive flu vaccinations while pregnant have a significantly reduced risk of acquiring influenza during their first six months of life. The study, published in Pediatrics, showed that infants born to vaccinated mothers had a 70 percent reduction in laboratory-confirmed flu cases and an 80 percen...
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.
The new study found that higher levels of antibody against neuraminidase protein were better predictors of protection against flu infection and its side effects. Participants with high levels of HA antibodies experienced lower incidence of mild-to-moderate influenza, but not necessarily less severe symptoms.
A new study found that women who received seasonal trivalent influenza vaccine during pregnancy were 51 percent less likely to experience a stillbirth than unvaccinated mothers. The study's results support the safety of influenza vaccination during pregnancy and suggest that it protects against stillbirth.
Researchers at UGA and Sanofi Pasteur have developed a vaccine that protects against multiple strains of seasonal and pandemic H1N1 influenza in mouse models. The COBRA vaccine was designed to recognize H1N1 viruses isolated within the last 100 years, offering broader cross-protection.
Researchers at Sanofi Pasteur have published pre-clinical data on a novel, computationally optimized broadly reactive hemagglutinin vaccine for H1N1 influenza viruses. The vaccine strategy elicited a broad antibody response against seasonal and pandemic isolates in mice, demonstrating its potential as a 'subtype universal' vaccine.
A study published in Annals of Internal Medicine found that quitting smoking abruptly is more likely to lead to lasting abstinence compared to quitting gradually. The researchers found that patients who quit abruptly were 25% more likely to stop smoking in both the short and long term.
Researchers from Kaiser Permanente found that flu vaccination during hospitalization does not increase the risk of emergency department visits or subsequent hospitalizations. Vaccinated patients also did not have an increased risk of fever or laboratory tests checking for infection.
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.
A study by UTMB found that APPs prescribed short-acting inhalers and consulted with pulmonary specialists more often, leading to lower ER visits for COPD and higher follow-up rates. However, they had lower vaccination rates and less frequent clinic visits after hospitalization compared to physicians.
A new study found that flu vaccination is associated with a lower risk of developing atrial fibrillation, a heart condition linked to increased stroke risk. The study suggested that flu infection may trigger an inflammatory response that increases the risk of AF.
Researchers studied 36 pregnant women to determine if T-follicular helper cell response varies by trimester after vaccination. The results show that the immune system's response is greatest during the first trimester, suggesting immunologic changes may affect vaccine effectiveness.
Researchers developed an infant-friendly flu vaccine using a natural protein that provides four to five times the protection against influenza compared to traditional adjuvants. This breakthrough could lead to safer and more effective vaccinations for premature infants.
Kansas State University researchers developed a vaccine protecting against multiple US avian influenza strains, including H5N1, H5N2 and H5N8. The NDV-H5Nx vaccine can be administered through water or embryonated eggs, offering a potential solution for mass vaccination of poultry.
Researchers identified molecular signatures that predict immune protection in response to flu vaccination, with elderly individuals showing high levels of monocytes and low antibody-producing B cells. This study provides insight into potential mechanisms underlying reduced vaccine efficacy in older adults.
A York University study found that vaccination strategies should be adjusted based on region-specific characteristics, such as age demographics and virus transmission rates. Early vaccination leads to better public health outcomes, including reduced infection rates, hospitalizations, and stress on healthcare systems.
A prime-boost H7N9 influenza vaccine concept has shown promising results in a small clinical trial, demonstrating the potential for a single dose to provide protection. The vaccine, which combines a live but weakened virus with an inactivated booster, elicited a robust immune response in both young and older adults.