Articles tagged with Vaccination
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Researchers at Boston Medical Center have been awarded a $1.04 million grant to expand an education-based pilot program improving communication between pediatric physicians and their patients about the Human Papillomavirus (HPV) vaccine. The intervention has shown significant increases in HPV vaccination rates among pilots.
A study found that many pediatricians and primary care physicians report communicating about HPV vaccination in ways that discourage parents from getting their children vaccinated. The researchers recommend improving communication practices, such as recommending HPV vaccination for all 11- to 12-year-olds and suggesting same-day vaccin...
A study examining the safety of Tdap vaccination in pregnant women found no significant differences in acute adverse events or adverse birth outcomes between those vaccinated recently and those not. The researchers' findings provide reassurance for patients and clinicians regarding the use of Tdap vaccine during pregnancy.
Researchers at Duke Medicine have discovered that rhesus monkeys can transmit the virus across the placenta to their unborn offspring, establishing a first primate model to study mother-to-fetus CMV infections. The discovery aims to spur development of potential vaccine approaches against congenital CMV infections.
The Global Health Vaccine Center of Innovation (GHVCI) aims to accelerate vaccine development and make vaccines more accessible globally. The GHVCI combines IDRI's vaccine design technologies with Sanofi Pasteur's expertise in vaccine development, formulation, and production.
Researchers at Tulane National Primate Research Center are working on a new tuberculosis vaccine by modifying Mycobacterium tuberculosis to lose stress response gene SigmaH. Monkeys vaccinated with the modified strain showed better resistance to infection and protective immune responses in their lungs.
A recent study found that over half of eligible Americans visiting a travel clinic did not receive the recommended measles vaccine, putting them at risk for infection. Vaccination is also essential for preventing hepatitis A outbreaks in areas with inadequate sanitation, such as Mexico's Tulum resort destination.
A new review of the literature identifies four types of people who decide not to vaccinate due to issues of complacency, convenience, confidence, and calculation. Strategies include increasing awareness about vaccine effectiveness, debunking myths, and adding incentives for calculating individuals.
Researchers at University of Zurich and University Hospital Zurich develop new treatment methods for rare brain disease PML. A vaccine against the disease could be developed using specific antibodies that recognize the most important mutants of the JC virus.
Researchers at Scripps Florida Institute have been awarded $6 million to develop an innovative HIV/AIDS vaccine that has shown promise in animal models. The approach works by blocking key sites on the virus's surface, preventing it from attaching and invading human immune cells.
Researchers uncover interesting revelations about the vaccinia virus through DNA sequencing data and historical accounts. The study suggests that the Brazilian VACV-IOC strain may have originated from a French Beaugency strain, challenging previous assumptions.
Researchers mapped antigenic differences in dengue virus strains, finding overlap among previously thought distinct groups. The findings suggest a continuum rather than separate groups, making vaccine development harder.
In a clinical trial, a genetically engineered vaccine successfully eradicated high-grade precancerous cervical lesions in 48.2% of women who received the vaccine, compared to 30% of those who received saline injections. The vaccine also cleared the virus from the cervixes of 56 women, reducing the risk of cancer recurrence.
A systematic review of animal studies on MVA85A vaccine found insufficient evidence to support its effectiveness as a BCG booster. The delay in publishing the largest monkey trial with the longest follow-up also raised concerns about scientific integrity.
The American College of Physicians recommends policies for the use of telemedicine in primary care settings, aiming to improve access to care while balancing benefits and risks. The position paper offers more than a dozen policy statements and recommendations for utilization and reimbursement.
Researchers at VIB discovered that exposure to farm dust reduces the severity of allergic reactions in mice. In humans, a deficiency in the protective protein A20 is found in those who suffer from allergies and asthma. The study paves the way for the development of an asthma vaccine.
A new minimally invasive vaccine combines cancer cells with immune-enhancing factors, evoking an immune response in a simpler and more economical way. The approach has shown promising results in experimental animal models, shrinking tumors and protecting animals from tumor growth.
A mathematical model shows that using one dose of the oral cholera vaccine can prevent more cases and save more lives than the recommended two doses, especially in crisis situations. The study found that a single dose could protect more people in the long run and improve herd immunity.
A new modeling study suggests that a single dose of cholera vaccine could be as effective as the traditional two-dose regimen in preventing deaths. The researchers estimate that a one-dose campaign reaching half the population would have averted over 78,000 cases and prevented 738 deaths.
Scientists have finally understood the structure of a flexible plant virus that has resisted description for over 75 years, revolutionizing efforts to stop such viruses and potentially leading to new vaccine delivery methods.
Researchers at the NIH have successfully tested an experimental MERS vaccine in monkeys and camels, demonstrating broad protection against different strains of the virus. The vaccine uses a synthetic DNA sequence that combines elements of SARS and MERS-CoV proteins, inducing protective immunity in non-human primates.
A new synthetic DNA vaccine has been developed to induce protective immunity against the Middle East Respiratory Syndrome (MERS) coronavirus in animals. The vaccine, administered six weeks prior to exposure, was found to fully protect rhesus macaques from disease and generate potentially protective antibodies in camels.
A new study from the University of Michigan Health System found that electronic prompts and reminders resulted in significant increases in Tdap vaccine uptake among patients aged 11-64. The system improved vaccine rates by 76% for adults and 85% for adolescents, compared to 59% in similar-aged groups without automated prompts.
A single dose of the experimental Ebola virus (EBOV) vaccine VSV-EBOV has been shown to completely protect cynomolgus macaques against the current EBOV outbreak strain, EBOV-Makona. The vaccine triggers both innate and adaptive immunity, providing partial protection if given three days prior to exposure.
A preclinical study found that a new Ebola vaccine, VSV-EBOV, provides complete protection against the disease when given 7 days before infection in macaques. The vaccine also induces a strong innate immune response, helping to limit virus replication and eventually clearing the virus.
A new study from the University of Georgia found that lax state vaccination laws contribute to lower immunization rates and increased outbreaks of preventable diseases, such as whooping cough and measles. States with stricter policies have lower pertussis rates, highlighting the impact of policymakers on disease prevention.
Researchers have devised a new approach to vaccines that creates immunity without standard approaches, offering a rapid solution to deadly diseases like dengue fever. The DMAb platform produces antibodies that do not bind to cell receptors, eliminating the chance for infection and disease.
Researchers at UCLA and University of Illinois found that emphasizing the benefits of vaccination and taking a non-confrontational approach can increase support for vaccination among skeptical parents. A study with 315 adults showed that highlighting the dangers of measles and mumps can substantially increase support for vaccination.
A model investigates optimal vaccination strategies to minimize cholera-related mortality and costs, considering seasonality in pathogen transmission. The study finds that effective vaccination can significantly reduce disease spread and associated expenses.
Researchers found that reminding skeptics about the importance of vaccines and the risks associated with not being vaccinated can change their attitudes positively. The study tested three groups of participants and showed that even the most skeptical individuals were influenced by the intervention.
Researchers at Georgia State University developed a vaccine containing virus-like nanoparticles that induces long-term protection against RSV. The study found that mice vaccinated with these particles showed no severe pulmonary disease and lower levels of inflammatory markers after infection.
A proposed global vaccine-development fund could help make vaccines available for emergency use, saving thousands of lives. The fund would cover the financial burden of vaccine development, addressing barriers such as high costs, limited market potential and lack of government support.
A global study found that chronic hepatitis B virus infection affects approximately 248 million people worldwide, with a disproportionately high burden in some countries. The prevalence of the disease varies significantly between countries, with up to 20% of the population infected in certain regions.
A two-step regimen of experimental vaccines against Middle East respiratory syndrome (MERS) prompted immune responses in mice and rhesus macaques, producing broadly neutralizing antibodies against multiple strains of the MERS coronavirus. Vaccinated macaques were protected from severe lung damage when later exposed to MERS-CoV.
A new study published in PLOS Biology found that imperfect vaccines can promote the evolution of nastier viral strains, increasing the risk of severe illness among unvaccinated individuals. The research highlights the importance of perfect vaccines in preventing not only disease but also transmission.
Researchers are developing a cancer vaccine to combat Devil Facial Tumour Disease (DFTD), a contagious cancer killing Tasmanian devils. The vaccine aims to save the species by targeting proteins unique to the tumour cells, with hopes for eventual release into the wild.
A Phase I research study is underway to develop a vaccine that could prevent recurrence of some childhood cancers in patients who have relapsed after surgery, chemotherapy and radiation. The trial has enrolled three patients so far and aims to stimulate the immune system to attack specific tumor proteins.
The Oxford Vaccine Group is conducting a Phase II study of an Ebola vaccine regimen, recruiting over 600 healthy adult volunteers in the UK and France. The study aims to assess the safety and immunogenicity of the vaccine, as well as determine the best timing for each dose.
A collaborative team from UTMB and NIH develop an inhalable vaccine that protects primates against Ebola. The aerosol delivery method has shown promising results, with a single vaccination providing protection against the severe disease and death caused by lethal Ebola infection.
A survey of 1,500 French general physicians found that while many are confident in vaccine benefits, concerns over adjuvants and controversy surrounding certain vaccines hinder recommendations. Trust in authorities is high, but training and resources are needed to address patient hesitancy.
A new investigational vaccine designed to protect against West Nile Virus infection is being tested in a Phase 1 clinical trial. The vaccine was developed with a novel, hydrogen peroxide-based process that renders the virus inactive while maintaining key immune-system triggering surface structures.
Recent changes to EU regulations have led to an increase in imported pets from Eastern Europe, where rabies is endemic, raising concerns about the effectiveness of current checks. The study found that many stray and rescue dogs had low antibody levels against rabies, suggesting potential risks for these animals.
A new study suggests that vaccinated people who are infectious but symptom-free may be transmitting whooping cough multiple times throughout their lives, exacerbating the outbreak. The research highlights the importance of getting vaccinated, especially for children, as the primary source of protection against severe disease and death.
Professor Shashi Murthy is developing a novel microfluidic system to automate the process of creating dendritic cells, essential for effective vaccines. The new instrument aims to reduce the manual process from 16 steps to a fully-automated system, potentially cutting timeframes to six days.
The institutions have selected two new research projects to receive funding through the Connecting through Research Partnerships Program. These projects aim to develop a supply chain model for biofuels and test a nasal delivery formulation of an encapsulated vaccine to prevent chlamydia.
A new analysis found a decline in high-grade cervical lesions among U.S. women aged 18-20 after HPV vaccination became available. However, this trend may be influenced by changes in cancer screening recommendations.
A team of researchers from Ludwig-Maximilians-Universität München has developed a candidate vaccine against Middle East Respiratory Syndrome (MERS) and demonstrated its efficacy in a mouse model. The vaccine, named MVA-MERS-S, uses a modified virus to induce protective immunity against the coronavirus.
A new study by University of Michigan graduate research fellow Micaela Martinez-Bakker reveals that silent transmission of poliovirus could continue for more than three years with no reported cases. To ensure eradication, aggressive surveillance programs and vaccination campaigns must continue in endemic countries.
A new study using disease-transmission models shows that silent transmission of poliovirus could continue for more than three years with no reported cases. To ensure eradication, aggressive surveillance and vaccination campaigns must continue in endemic countries after the last reported case.
Alternative drug-delivery systems are being explored to overcome syringe injection drawbacks, including ointments, dissolvable tablets and micro-needle skin patches. Several promising results have been shown in animal testing, but widespread adoption will require changing the mindset of pharmaceutical companies and regulators.
Researchers found that regulatory T cells suppress killer T cells through a protein on their surface, enabling the immune system to remember past pathogens. This discovery could lead to faster-acting vaccines and improved immunity to diseases like cancer.
A new method has identified children with rheumatic disease who are eligible for a life-saving vaccine. The vaccine was found to be safe and effective even in patients taking immunosuppression treatment.
A study found that people with rheumatoid arthritis are less protected by the hepatitis B vaccine, highlighting increased risk of infection despite vaccination. The vaccine's efficacy was lower in RA patients compared to those without the condition.
A study published in JAMA found that rotavirus vaccination led to a 31-55% decline in all-cause acute gastroenteritis hospitalizations and a 70-94% decline in rotavirus-coded hospitalizations among US children under 5 years old. The greatest reductions were observed among younger age groups.
A recent study published in The Lancet Oncology suggests that a single dose of the HPV vaccine Cervarix can provide similar protection to three doses, offering hope for improving vaccination rates. This finding is particularly relevant for states like Kentucky with low completion rates.
A randomized trial tested an intervention to improve hesitancy about early childhood vaccines, but found it had minimal effect on mothers and doctors. The intervention, called Ask, Acknowledge, and Advise, aimed to encourage respectful dialogue with parents while recommending vaccination.
Researchers at Griffith University have created a groundbreaking combination vaccine that combines the protein SpyCEP with J8-DT to combat Streptococcus A infections. The vaccine shows promise in preventing deadly complications of the infection, including rheumatic heart disease.
A team of researchers, led by Dr. Steve Bellan and including Associate Professor Manoj Gambhir from Monash University, have identified the most effective human trial design for testing Ebola vaccines in Sierra Leone. The study suggests that a modified randomized control trial is the best approach to detect an effective and safe vaccine.
A study in The Netherlands found that vaccinating girls against HPV also protects men from some cancers. The authors suggest that authorities prioritize vaccinating as many girls as possible, but consider including boys in preadolescent vaccination programs once costs and benefits align.
The 9-Valent human papillomavirus vaccine has the potential to protect against 80% of cervical cancers and approximately 19,000 other HPV-related cancers in the US. Researchers found that 70% of oropharyngeal cancer patient DNA samples harbored HPV, likely due to changes in sexual behaviors.