Articles tagged with Vaccination
A South Korean study has shown that patients infected with hepatitis B are around twice as likely to develop non-Hodgkin lymphoma. The study found an increased risk of NHL and malignant immunoproliferation in HBV-positive individuals.
Researchers developed an alphavirus vector to overcome neutralizing antibodies and Tregs, inducing clinically relevant immune responses in patients with metastatic cancer. Repeated administration led to longer overall patient survival, making the approach a promising therapeutic option.
Most pediatricians and family physicians administer the HPV vaccine, but fewer strongly encourage it for preteens. The study found that many physicians are not using effective strategies to ensure patients complete the full vaccination series.
Researchers at Duke University Medical Center developed an experimental vaccine that stimulates an immune response against tumor growth. In a Phase I/II study, the vaccine showed promising results in patients with advanced lung, colon, breast, and pancreatic cancers.
A Harvard University study found that small changes in perceived vaccine costs can lead to significant gaps in herd immunity, with social networks playing a crucial role in the spread of disease. The researchers discovered that increasing vaccination cost prompts more free-riding and leads to larger epidemics.
Scientists are using a vaccine to vaccinate bison against brucellosis in Yellowstone National Park to prevent the disease from spreading to nearby livestock. Researchers found that bison infected with Brucella abortus exhibit similar symptoms to cattle, highlighting the need for targeted eradication programs.
Researchers found that HPV vaccines are not covered by patent claims granted in India, leaving room for production of biosimilars offering protection against the two most common HPV strains. This could improve access to the HPV vaccine in low-income countries.
The Phase I trial found low-dose, multi-dosing regimens of BCG vaccination safe in individuals with type 1 diabetes, with no severe reactions reported. A Phase II clinical trial is planned to investigate the safety and efficacy of BCG vaccination as a therapeutic agent for type 1 diabetes prevention or reversal.
Researchers have made significant progress in developing new medical technologies to combat the anthrax threat. Promising new treatments include a long-sought inhalable vaccine that can be self-administered without a needle, as well as new antibiotics and medicines that can block the effects of anthrax toxin.
Experimental vaccines developed with these approaches produced strong immune responses in mice, potentially safer than the only available RVF vaccine. Researchers are hopeful that these new strategies may be advantageous to controlling RVF, providing a safer alternative to existing live virus vaccines.
Analyses of serological and social contact data reveal that childhood vaccination against pertussis has led to a shift in the disease's burden, with adolescents and adults becoming reservoirs for asymptomatic infection. The study suggests that life-long protection through a vaccine could potentially eliminate pertussis.
Researchers found that high interleukin-10 levels in tumor cells are associated with worse prognosis after autologous melanoma cell vaccine treatment. High IL-10 levels can downregulate the immune response, decreasing the effectiveness of the vaccine.
According to a new report, only about one in three young women has received the human papillomavirus (HPV) vaccine to help prevent cervical cancer. The vaccination rate is increasing, but there is still a significant disparity in HPV vaccination rates among different racial and ethnic groups.
Researchers discovered a new bacterial signaling molecule, cyclic-di-AMP, which stimulates a strong immune response in host cells. This molecule may be used to improve vaccines that use live or disabled bacteria, making them more effective against pathogens such as Listeria.
Researchers at Michigan State University are testing a new NicVAX vaccine to help people quit smoking and avoid relapses. The vaccine works by preventing nicotine from crossing the blood-brain barrier, blocking the addictive pleasure sensation experienced by smokers.
A newly developed experimental Ebola vaccine has shown protection in monkeys against a newer Ebola virus species identified in 2007. The vaccine induces a robust T-cell response that can cross-react with other Ebola virus species.
A new method uses isotopic analysis to distinguish olive oil from shark-derived squalene and squalane, a potential solution to stop commercial fraud and protect sharks. The technique could also promote the production of plant-based squalene, discouraging shark fishing.
Experts argue for shifting focus from biomedical mechanisms to socio-environmental aspects of neglected tropical diseases. Mass drug administration is recognized as a cost-effective approach for controlling these diseases, while integrating biomedical and social approaches through 'social offsets' may complement this strategy.
New drugs, vaccines, biomarkers, and diagnostics could reduce TB incidence by 94% by 2050. Biomarker development is crucial for predicting treatment outcomes, while diagnostics advancements aim to improve case detection.
The Helmholtz Centre for Infection Research has received a grant from the Bill & Melinda Gates Foundation to develop nanoparticles that release vaccine active ingredients through skin perspiration, potentially bypassing traditional vaccines. The project aims to stimulate mucosal immune responses and prevent infectious diseases.
Researchers at Karolinska Institutet have developed a vaccine that can block the immune reaction causing atherosclerosis, reducing disease by 60-70%. The vaccine targets T cells reacting to native LDL particles, reversing previous findings on antioxidants' ineffectiveness against cardiovascular disease.
The dry powder, inhalable vaccine has been shown to be stable under challenging environmental conditions and is estimated to cost only 26 cents per dose. Phase One clinical trials are set to start in India this summer, followed by Phase Two trials involving a larger number of patients.
A retrospective study found that vaccination is associated with earlier onset of seizures in children with Dravet syndrome, but does not affect the clinical outcome. The study analyzed 40 patients and found no difference in intellectual outcome or subsequent seizure type between vaccinated and unvaccinated groups.
A recent study published in PLOS Medicine found that HPV vaccine uptake among grade 6 girls in British Columbia, Canada is lower than expected. The study suggests that concerns about safety and lack of information are major factors hindering vaccine adoption. Positive parental attitudes towards vaccination and education level can incre...
A study published in Annals of Internal Medicine found that human growth hormone (HGH) improves sprint capacity in healthy recreational athletes, with effects nearly doubled in men who also received testosterone injections. The researchers also noted significant reductions in fat mass but no increase in muscle mass.
African children with sickle-cell disease are at increased risk of bacterial illness, especially invasive pneumococcal disease. Vaccines against pneumococcus can improve quality of life and save lives among these vulnerable children.
Several FDA-approved vaccines are effective in protecting women against cervical cancer-causing HPVs, which can be transmitted through sexual contact. The study found that nearly all U.S. states offer HPV vaccination to adolescent girls in juvenile justice facilities.
Researchers at Duke University Medical Center found a successful pilot program increasing HPV vaccination rates from 0 to 44% among post-partum women. The study suggests that OB/GYN clinics can play a key role in vaccinating eligible adults, particularly pregnant and post-partum women.
Advances in DNA vaccine technology have led to improved efficacy and effectiveness compared to traditional vaccines. New approaches in electroporation and vector design are driving growth in the field, with several promising therapeutic vaccines being developed.
Researchers developed a nanovaccine to stop aggressive immune attack on beta cells, restoring normal blood sugar levels in humanized mouse models. The treatment targeted specific immune cells without compromising the rest of the immune system.
A new TB booster vaccine has been shown to improve resistance to tuberculosis in previously vaccinated adults, according to a study published by the American Thoracic Society.
Researchers at the South West Liver Unit are working on a groundbreaking project to find a vaccine for Hepatitis C. They have identified a group of people who were naturally immune to the disease and are studying how their white blood cells interact with liver cells and the body's immune system.
A new vaccine has been proven safe and effective in treating mesothelioma, a rare cancer associated with asbestos exposure. The vaccine uses the patient's own dendritic cells to induce a T-cell response against mesothelioma tumors.
Researchers have developed an experimental vaccine for chikungunya virus, which has already infected millions of people in Asia, Africa, and Europe. The vaccine, composed of virus-like particles, successfully protected monkeys from infection.
The Canadian Institutes of Health Research has awarded Medicago a $300,000 grant to study the immune response induced by VLPs. The research aims to develop leading plant-based VLP vaccines with potential benefits for global health, particularly in the developing world.
A Northwestern University professor explores making public policy with limited information, recommending the elimination of inferior options and application of decision criteria to avoid poor outcomes in issues like global warming and vaccination policies.
Scientists have developed a simple and cheap way to make vaccines stable at tropical temperatures, eliminating the need for refrigeration. The method involves mixing vaccines with sugars and drying them on membranes, preserving the active part of the vaccine and allowing it to be shipped at normal temperatures.
Scientists at Oxford University have developed a new method to make vaccines stable at tropical temperatures using Nova Bio-Pharma Technologies' patented HydRIS system. This technology has the potential to revolutionize vaccination efforts, particularly in the developing world where infectious diseases kill millions of people every year.
Researchers developed peptide vaccines that stimulate T cells to attack cancer cells in mice, achieving 100% tumor-free survival for at least 60 days. The successful vaccines stimulated T cells recognizing both the peptide vaccine and natural antigens, producing a large population of activated T cells.
A new study published in the Journal of the National Cancer Institute found that HPV vaccination benefits decline with age and frequent screening for women over 41 is likely to be low. The study suggests that newly detected HPV infections do not progress to cervical intraepithelial neoplasia grade 2 or worse, regardless of age.
Researchers have proven that subneutralizing levels of dengue virus antibodies exacerbate the disease, contradicting the normal function of antibodies. This finding has major implications for developing a vaccine against dengue virus, which annually infects 50-100 million people worldwide.
Researchers found that individuals with multiple social connections, or hub nodes, are more likely to vaccinate themselves and contain the spread of epidemics. This voluntary vaccination method can lead to periodic outbreaks, but ultimately settle into a stable state due to the majority of individuals choosing vaccination.
High-coverage HPV vaccination among adolescents and young women has been shown to rapidly reduce the risk of genital warts, cervical cell abnormalities, and diagnostic procedures. The study found significant reductions in risk across all HPV types, paving the way for a notable decrease in cancer rates.
Scientists have developed an experimental VLP vaccine that protects macaques and mice against chikungunya virus, a debilitating disease with no current treatment. The vaccine, using non-infectious virus-like particles, elicits immune responses and provides complete protection from infection.
Researchers at Scripps Research Institute have discovered a potential new way to stimulate the immune system to prevent or clear a viral infection by blocking a key protein in mouse immune systems. This approach may enhance the effectiveness of human vaccines designed to prevent viral infections.
The rotavirus vaccine has been shown to prevent severe diarrhoea in African children, with a 61.2% reduction in incidence. The vaccine's efficacy was lower in Malawi compared to South Africa, but it still demonstrated significant impact in reducing mortality rates.
Researchers at NIST found that standard-sized refrigerators without freezers outperform smaller, dormitory-style refrigerators in storing vaccines. The study identified several best practices for vaccine storage, including keeping vaccines away from the door shelves and walls to prevent temperature drifts.
A clinical trial shows that patients with metastatic prostate cancer who received a vaccine lived substantially longer than those who received a placebo, with a median survival time of 24.5 months compared to 16 months. The study found encouraging evidence for a clinically meaningful benefit from this vaccine approach.
A new study by Imperial College London discovered a virus called vaccinia spreading four times more quickly than previously believed. The virus uses a novel mechanism to spread rapidly between cells, making it harder to target with antiviral drugs.
Alexander Ksendzovsky, a third-year medical student, has been awarded the Lucien Rubenstein Award for his groundbreaking research on a potential vaccine to fight malignant brain tumors. The American Brain Tumor Association recognized his outstanding work as part of their annual Research Award Program.
Researchers have developed a vaccine that appears to reduce leukemia cells in some chronic myeloid leukemia (CML) patients taking the drug Gleevec. The study found significant reductions in residual cancer cells and complete remission in seven patients.
Researchers found that RA patients treated with rituximab in combination with methotrexate had the same immune response to the tetanus vaccine as those treated with methotrexate alone. However, patients on rituximab had a reduced response to the pneumonia vaccine compared to those on methotrexate alone.
Research reveals that quitting smoking can increase type 2 diabetes risk in the short term due to weight gain. Additionally, spoon size affects dosing accuracy with liquid medicine, leading to errors. The latest adult immunization schedule emphasizes HPV and influenza vaccinations, while antiretroviral adherence is linked to lower heal...
A study found that refusing the varicella vaccine is associated with a nine-fold increased risk of developing the disease in children. This finding suggests that declining vaccination rates could lead to an increase in the incidence of chickenpox and related complications.
Researchers identified significant gaps in HPV vaccine uptake among low-income minority groups, with disparities in knowledge, awareness, and healthcare provider recommendations. Tailored interventions are necessary to address these barriers and increase vaccination rates.
University of Missouri researchers found that aspirin and Tylenol block enzymes that inhibit vaccines. This could lead to reduced antibody responses and decreased protection against infections.
The Elsevier journal Vaccine has released a supplement dedicated to vaccines for biodefense, showcasing significant advancements in vaccine development against diverse human and veterinary pathogens. The publication acknowledges the shift from traditional military focus to protecting both civilian and military populations.
The Interagency Autism Coordinating Committee (IACC) has included vaccine research studies in its updated Strategic Plan for Autism Research, responding to Congressional calls to investigate the potential connection between vaccines and autism. The plan aims to explore risk factors contributing to autism, including environmental exposu...
Researchers identified 78 homegrown health biotechnology companies producing innovative products for all neglected diseases, including the Big 3. A proposed 'Global Health Accellerator' service aims to connect these firms with expertise and funding to reach additional villages worldwide.
A Phase II clinical study found that a vaccine candidate can cause a modest but sustained reduction in genital and gastrointestinal GBS bacterial colonization. The vaccine was also found to be safe and well-tolerated, eliciting a strong immune response.