Articles tagged with Flu Vaccines
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A comprehensive review of scientific literature shows that directly facilitating vaccination and reducing barriers are key to increasing immunization rates. Interventions such as reminders, prompts, and presumptive announcements can lead to higher vaccination uptake.
Researchers at the University of Maryland School of Medicine are conducting trials to test the safety and efficacy of an H7N9 influenza vaccine. The vaccine, developed by Sanofi Pasteur, will be evaluated in healthy volunteers and elderly adults, with different dosages and adjuvant combinations tested.
Researchers present a modified small-molecule drug that targets the RNA polymerase subunit of the influenza virus, reducing its ability to replicate and spread. The compound could potentially eliminate the virus or slow down its reproduction, offering a new treatment option for patients with flu.
Two new clinical trials are enrolling volunteers to test an experimental H7N9 influenza vaccine candidate in the US. The Phase 2 studies will evaluate different dosages and vaccination schedules of the inactivated vaccine, as well as an adjuvant to boost immune responses.
A team of researchers from James Cook University and Cardiff University have created a fully synthetic flu vaccine that protects mice from swine flu and works on human cells in the laboratory. The vaccine is hyper-stable, meaning it can survive stomach acid and human blood, making it suitable for oral administration.
A multi-institutional study found that mandatory flu vaccines for health care workers increase participation by up to 30% and reduce absenteeism during critical patient surges. Vaccinated health care workers had a 30% reduction in absenteeism compared to non-vaccinated workers.
A multi-institutional study found that mandatory flu vaccines for healthcare workers increased vaccination rates by up to 30% and reduced absenteeism by about 6%. Vaccinated healthcare workers had a 30% lower rate of absenteeism compared to non-vaccinated colleagues.
Researchers found that constant media coverage increased vaccinations by 79% in the Jewish population and 71% among high socio-economic subgroups. Positive media sentiments also prompted an increase in polio vaccines, while negative sentiments had no noticeable effect.
The National Institute of Allergy and Infectious Diseases (NIAID) has unveiled a strategic plan to develop a universal influenza vaccine. The plan focuses on three key areas: improving understanding of influenza transmission, characterizing protective immunity, and designing universal vaccines.
Research analyzed six studies and found that getting the flu vaccine reduced the risk of dying from any cause by about half during flu season and by one-fifth during the rest of the year. Vaccination was also associated with a 22 percent reduction in the risk of being hospitalized for cardiovascular problems.
Researchers found that adding hope to health messages can significantly predict intentions to take actions against skin cancer. Self-efficacy and hope also played a role in adopting sun safety measures.
New research suggests that immune history with flu plays a significant role in vaccine effectiveness, rather than egg adaptations. The study found that antibodies produced from previous encounters with flu tend to take precedence over new vaccinations, making the vaccine less protective for those with a history of infection.
The new test kit, developed with licensed monoclonal antibodies from the US FDA, offers a rapid and sensitive potency assay for dose-sparing and adjuvanted flu vaccines. This enables a faster vaccine response in severe outbreaks or pandemics, addressing the need for speed in combating deadly avian H7N9 viruses.
Researchers analyzed blood samples from 35 healthy adults and found a marked increase in antibody-producing B cells and circulating T follicular helper cells after vaccination. The study's findings suggest that intranasal vaccination might be more effective than injections, with implications for ideal inoculation routes.
Researchers developed a universal vaccine to combat influenza A viruses, producing long-lasting immunity in mice and protecting them against seasonal flu vaccines. The nanoparticles target the stalk of the HA protein, offering universal protection against various influenza viruses.
A new study published in mBio found that people with higher levels of anti-HA stem antibodies have less viral shedding when they get the flu, but do not have fewer or less severe signs of illness. The study suggests that these antibody levels are not independent predictors of whether someone becomes sick or how severely.
A new vaccine approach developed at UCLA may help lower hospitalizations due to the flu. The researchers used genomics to identify and eliminate the virus' defense mechanisms, enabling a safe and highly effective vaccine candidate that can be taken as a nasal spray.
Researchers discover that training the innate immune system through β-glucan can prime it to respond more robustly to threats, including infections and chemotherapy. This approach could lead to new strategies for preventing neutropenia and improving treatment outcomes.
Repeated influenza vaccination significantly reduced hospital admissions for severe flu in older adults, with consistent effectiveness across seasons and patient age.
A new poll suggests that nursing homes should require flu shots for all staff and patients to protect vulnerable patients from serious complications. The majority of respondents (73%) also believe that non-medical staff should be vaccinated, while 71% think visitors should be required to get vaccinated before visiting loved ones.
The current flu vaccine is predicted to be effective against the majority of H3N2 flu viruses in the US, but may not protect against minority groups. Scientists have identified a mutation that can shift the vaccine virus to the minority group, potentially decreasing its effectiveness.
Researchers highlight the challenges of preparing seasonal influenza vaccines in eggs, citing reduced effectiveness rates of 40-60 percent. They also emphasize the need for targeted research on manufacturing strategies and vaccine antigens to improve vaccine efficacy.
Researchers at Johns Hopkins Bloomberg School of Public Health have discovered a genetic mutation in the FluMist intranasal flu vaccine that has the potential to be altered to enhance its protective effect. The mutation reduces virus production, but reversing it makes the virus more active and induces a stronger immune response.
Children vaccinated against influenza are less likely to experience serious complications from the virus that could land them in hospital. The flu vaccine has been shown to be effective at preventing influenza hospitalizations in young kids, with a significant reduction in risk seen for both fully and partially vaccinated children.
A randomized controlled trial found that text message reminders increased vaccine uptake among eligible patients, with the greatest effect seen in children under five years old. The study suggests cost-efficient strategies to improve vaccine uptake, particularly for vulnerable populations.
The article highlights the lessons learned from past infectious disease outbreaks, including HIV/AIDS and SARS, to inform current responses to emerging threats such as Zika. The NIAID Director emphasizes the importance of sustained support for scientific research and effective communication with policymakers and communities.
Researchers at the University of Bergen found no negative effects from annual influenza vaccination on developing natural immunity. Annual vaccination actually provides a better first line defence against infection, without preventing natural immunity.
A new study found that a mutation in the H3N2 strain of the virus is responsible for the low efficacy of last year's influenza vaccine. The team suggests investing in new technologies to produce egg-free vaccines, while emphasizing the importance of annual flu vaccination.
A study found that temporarily pausing methotrexate use for two weeks after flu vaccination improves the immune response in RA patients, with a higher rate of satisfactory responses and seroprotection rates. This approach has potential clinical implications, including improved vaccine efficacy without increasing disease activity.
A study suggests that targeting the 'stalk' of the hemagglutinin protein, which remains relatively constant across flu strains, could provide broad protection against seasonal and pandemic strains. However, the results also show that the stalk can mutate in response to immune pressure.
Researchers developed a 4-in-1 flu shot that provides broad protection against influenza by targeting ancestral genes of four major strains. The vaccine was shown to be effective in mice, with those receiving the highest dose not getting sick.
Researchers at UGA and Sanofi Pasteur developed a broadly protective vaccine against multiple strains of H3N2 influenza, which neutralized 100% of the viruses over a five-year period. The vaccine has the potential to replace seasonal flu vaccines with year-round manufacturing, reducing production time.
A new study from Scripps Research Institute reveals that egg-based production causes the virus to target bird cells, disrupting the major antibody target site on the surface. This mutation renders the flu vaccine less effective in humans, with recent vaccines proving only 33% effective against H3N2 viruses.
Researchers are developing a universal influenza vaccine that would protect against all strains of flu globally. Current vaccines have varying effectiveness, with some years seeing only 10% effectiveness.
A study by St. Jude Children's Research Hospital found that young leukemia patients who received the flu vaccine were still susceptible to flu infections, highlighting the need for additional measures to protect vulnerable individuals. Researchers emphasize the importance of hand washing and other precautions.
A new study of children from Sweden and Finland found that the swine flu vaccine Pandemrix did not increase the risk of developing autoantibodies against insulin-producing beta cells or type 1 diabetes. In fact, vaccinated children in Finland showed a reduced risk of developing autoantibodies and type 1 diabetes.
Researchers have developed a new influenza vaccine that uses a nanoscale, controlled-release capsule to provide quick and long-lasting protection against pandemic A strains. The vaccine is based on the M2 protein, which remains constant across different flu viruses.
Researchers recommend expanding flu vaccine recommendation to middle-aged adults with chronic health conditions due to modest effectiveness of standard-dose vaccine. High-dose and recombinant trivalent vaccines show promise in providing better protection for high-risk patients.
Researchers identified gene signatures associated with a stronger flu vaccine response in younger adults but not in older adults, highlighting age-related differences in immune response.
A new study found that flu vaccination rates for children may have decreased due to the unavailability of a nasal spray vaccine. The study, published in Vaccine, analyzed data from 9,591 pediatric patients and found that without the option of the nasal spray, total influenza vaccination rates were 1.6% lower in 2016-17 than in 2015-16.
Researchers found that NS1 suppresses the body's immune responses to viral infection, suggesting a new approach to combat influenza A virus infection. The study proposes developing a live attenuated vaccine based on an engineered influenza A virus lacking NS1 and designing antiviral drugs targeting NS1.
Dr. Sang-Moo Kang's project aims to improve the efficacy and extent of cross protection against new influenza virus strains by incorporating M2e epitopes into HA molecules. The research will test novel approaches to boost cross protective properties of licensed seasonal influenza vaccines, with results expected to impact public health.
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.
A high-dose influenza vaccine significantly reduced the risk of respiratory and all-cause hospitalization among Medicare residents at nursing homes, with a 12.7% relative reduction in respiratory illness hospitalizations and an 8.5% reduction in all-cause hospitalizations.
A Kent State University researcher examines vaccine rejection and hesitancy, highlighting the importance of accurate information and promoting vaccination. Her study aims to debunk myths and provide scientifically-based arguments to encourage people to immunize themselves and their children.
A microneedle patch vaccination with an influenza fusion protein improves the effectiveness of conventional flu vaccines by boosting humoral immunity and cellular immune responses in mice. The study offers a new perspective for universal influenza vaccines.
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.
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 survey of 16,510 participants from 11 countries showed that the way health information is communicated matters. Participants who read about 'horse flu' were significantly less motivated to get vaccinated compared to those who read about other names.
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 published in PLOS Computational Biology suggests that targeting vaccination efforts at children and the elderly during flu season can have the greatest overall benefit, saving lives and money. The researchers developed a synthetic population model to capture indirect effects of vaccination on community transmission.
Researchers use a live imaging system to track and monitor influenza virus infection in immunized mice, providing insights into the effectiveness of candidate vaccines and treatments. The study offers a promising alternative to traditional methods, enabling real-time monitoring of disease progression.
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.
Lung cancer patients treated with PD-1/PD-L1 checkpoint inhibitors are at increased risk of adverse events after receiving the seasonal influenza vaccination, according to a new study. The researchers observed an unusual high frequency of immune-related adverse events, including severe grade 3 or 4 irAEs, in this population.
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 new flu vaccine with reduced doses could improve production capacities and increase vaccine availability. The use of whole virion vaccines and aluminium adjuvants may enable significant dose sparing without compromising safety.
The University of Miami is conducting a multi-site study to evaluate the safety, effective dosage and prevention capabilities of the NIH's experimental DNA-based vaccine. Researchers will recruit individuals from Miami-Dade County and compare the rates of confirmed cases of Zika in vaccinated and placebo groups.
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.