Research on vaccines and immunization. Covers COVID and flu vaccines, outbreak response, long-lasting antibodies, and vaccination in vulnerable groups.
A vaccine targeting glutamic acid decarboxylase (GAD) failed to preserve insulin production in patients with newly diagnosed type 1 diabetes. Researchers suggest that the vaccine may be beneficial for preventing or delaying the onset of the disease, but should not be used in clinical practice.
The rotavirus vaccine has dramatically decreased hospitalization rates for gastroenteritis among infants and older children. In the US, vaccination led to a 87-96% reduction in rotavirus hospitalizations among eligible children between 6 months and 24 months.
The DIAPREV-IT study, a three-year project funded by the Juvenile Diabetes Research Foundation, aims to vaccinate healthy children at high risk of developing type 1 diabetes. The researchers believe that vaccinating earlier in the disease process can save more beta cells and increase the vaccine's effectiveness.
The Lancet's new Series on vaccines highlights four key elements: intensified research, advocacy at the highest level, developing countries' responsibility, and expanded communication of benefits. Experts emphasize the need for $3.7 billion funding to save 4 million lives through immunization programs.
The Expanded Programme on Immunisation has saved millions of lives with vaccine support from WHO and UNICEF. However, diseases like pneumonia and diarrhea still account for a quarter of child deaths in low-income countries. Middle-income countries may struggle to access new vaccines due to high costs.
Professor Helen Rees and colleagues emphasize the need for immunization policy reform, public-private collaboration, and addressing vaccine inequities to achieve polio eradication. Experts also highlight the importance of understanding the value of life worldwide in informing new actions.
A new therapeutic vaccine targets ghrelin to suppress appetite and increase energy expenditure in mice, reducing food intake by up to 82% after a single vaccination. The study suggests an alternate treatment approach for obesity that can be used in combination with diet and exercise.
Researchers found that the HSPPC-96 vaccine for recurrent glioblastoma (GBM) extended median survival to 11 months, compared to the current three to five month survival rate. The vaccine showed a favorable safety profile and evoked a significant innate immune response in patients.
A clinical trial published in the New England Journal of Medicine reveals that a vaccine combined with Interleukin-2 improves response rate and progression-free survival for patients with advanced melanoma. The vaccine stimulates the immune system to recognize and attack tumor cells, resulting in increased survival rates.
The study's findings suggest that mass vaccinations deployed strategically could prevent future cholera epidemics in Zimbabwe and other nations. The research team analyzed how cultural, political, and economic factors influenced routes of transmission and identified funeral feasts as a key factor contributing to the spread of the disease.
The study found that the vaccine improved response rates by 16% and progression-free survival by 2.2 months in patients compared to those without the vaccine. The researchers aim to broaden their approach using mixtures of peptides and other immune-stimulatory agents.
A coalition of researchers and policymakers argue that a universal vaccination campaign is essential to ending the crisis. The authors recommend increasing vaccine availability through advance purchase commitments and scaling up efforts to prevent similar shortages during future outbreaks.
A Chinese study shows that HPV vaccine Gardasil does not increase disease flares or antibody measures in inactive SLE patients receiving stable medications. The study confirms the safety of Gardasil vaccination to prevent HPV infection in this population.
Vaccine development for 'big three' diseases is being accelerated by new approaches like systems biology and structure-based antigen design. Systems biology enables the capture of massive biological data to predict vaccine behavior.
A recent mumps outbreak in Ontario, Canada highlights the importance of two doses of mumps vaccine to prevent outbreaks. Researchers found that people born between 1985 and 1991 are more susceptible to mumps, particularly among males in this age group.
A new experimental vaccine has shown promising results in protecting horses against the deadly Hendra virus, according to CSIRO scientists. The vaccine's successful development could help prevent the spread of the disease from flying foxes to horses and ultimately to people.
Researchers are developing an oral vaccine for cervical cancer and a combination prostate cancer vaccine, aiming to improve vaccination accessibility and affordability. The vaccines use nanoparticle-based Human Papillomavirus (HPV) formulations, potentially reducing costs and enabling mass vaccinations.
A Kaiser Permanente study found no evidence that receiving the zoster vaccine and pneumococcal vaccine on the same day compromises the immune response necessary to protect against herpes zoster, also known as shingles. The study's findings challenge previous information in the zoster vaccine manufacturer's package insert.
Three new vaccine formulations show potential in preventing long-term relapse and reducing costs associated with methamphetamine addiction. The formulations produce a good immune response in mice, offering a unique approach to treating the highly addictive substance.
A study published in The Lancet highlights Brazil's success in reducing the burden of infectious diseases, but notes that some programs have failed to control diseases like dengue fever. Despite this, experts argue that investing in human and social capital has led to sustainable economic growth and improved health outcomes.
Control of infectious diseases such as cholera, diarrhoea, Chagas disease, and those preventable by vaccination have been successful in Brazil. However, failures exist, including the ongoing public health problem of dengue fever and visceral leishmaniasis.
A mathematical approach has been developed to make complex combination vaccines more affordable for developing countries. The model considers key factors in providing accessible vaccines, including production capacity and pricing strategies.
A potential celiac disease vaccine, Nexvax2, has demonstrated safety and efficacy in a Phase I clinical trial, with the goal of treating the autoimmune disease by desensitizing patients to specific gluten peptides. The vaccine is expected to enter Phase II trials within the next year.
The FDA approves Menactra vaccine for infants as young as 9 months of age, providing a new option to help protect against meningococcal disease. The vaccine has been shown to elicit a robust immune response and can be administered concurrently with other vaccines.
A Wayne State University School of Medicine researcher has developed a potential vaccine for Chlamydia, targeting the disease's leading causes of blindness and infertility. The technology demonstrates a successful vaccine effect in an animal model, paving the way for human trials and potentially significant public health benefits.
A Brazilian study shows that widespread rotavirus vaccination in all areas of the country led to significant reductions in diarrhea-related deaths and hospital admissions among young children. The authors conclude that this real-world data supports the use of rotavirus vaccination as an effective measure for controlling severe childhoo...
A team of researchers at the University of Guelph has developed a potential vaccine against Helicobacter pylori, a common bacterium linked to stomach cancer. The sugar-based antigen caused mice to develop antibodies against the bacteria.
A new national survey of primary care physicians reports a significant increase in parental concerns about childhood vaccines, with 79% of physicians experiencing at least one vaccine refusal. The study highlights the need for more effective communication strategies to address these concerns and improve vaccination rates.
A new vaccine approach using an adjuvant to stimulate the immune system shows promise in a study of Gambian infants, highlighting potential for single-shot protection at birth and reducing immunizations needed. The study's findings could have major wins for global health.
A cross-sectional study found that pneumococcal conjugate vaccination in the UK reduced invasive disease in vaccinated children, but increased carriage of non-vaccine serotypes. The replacement serotypes had lower invasiveness, resulting in a net reduction in IPD.
A national survey found that parents rely on their children's doctors for vaccine safety information, with 76% of respondents trusting their doctor 'a lot.' Celebrities were also trusted by some parents, particularly Hispanic parents who trust celebrities more than white or black parents.
Researchers have made significant progress in developing a vaccine against viral hepatitis C, with encouraging immunogenicity and safety profiles shown in phase I trials. The vaccine has induced strong T-cell responses in both treatment-naive patients and healthy volunteers.
A new vaccine has been developed by McMaster University researchers, effective in treating people with cat allergies. The peptide immunotherapy vaccine is given through skin injections and may require fewer doses than traditional allergy shots, reducing side effects.
The Gulf Coast states and Washington D.C. are vulnerable to neglected infections of poverty due to extreme poverty and poor living conditions. Trichomoniasis and other vector-borne diseases are on the rise, highlighting the need for active surveillance programs and treatment/vaccination efforts.
A new RAND Corporation study found that high-deductible health plans reduce healthcare spending, but also lead to cuts in preventive care such as childhood vaccinations and cancer screenings. Costs only decrease significantly when deductibles reach $1,000 per person.
The American Association for Cancer Research (AACR) is honoring two renowned cancer researchers, Helen Blau and Nathanael Gray, for their groundbreaking contributions to the field. Helen Blau's work on regenerative medicine and cellular plasticity has led to new approaches in modeling diseases and regenerating damaged tissues.
The BCG World Atlas offers detailed information on current and past vaccination policies across over 180 countries. This database aims to improve the care of patients with tuberculosis (TB) by providing useful resources for clinicians, policymakers, and researchers.
The article discusses how fabricated research can lead to tragic consequences, including patients fearing lifesaving interventions and clinicians altering practice. The authors call for changes throughout the research process to adjust expectations for researchers, journals, and the public.
Researchers identified a protein called EspC that triggers a stronger immune response in people infected with TB bacteria, making it a promising new vaccine candidate. The protein could also be used to improve diagnosis of TB and underpin next-generation diagnostic blood tests.
A new study predicts nearly 800,000 cases and 11,100 deaths in Haiti due to cholera, significantly underestimating official projections. Combining available disease control strategies such as clean water access, oral vaccination, and expanded antibiotic use could prevent thousands of deaths.
A mathematical model based on current knowledge of the disease predicts that without intervention, 779,000 new cases and 11,000 deaths would result from the epidemic. The model also simulates the effects of increased access to clean water, vaccination, and antibiotic treatment, which could prevent up to 170,000 cases and 3,400 deaths.
Alum, a common vaccine adjuvant, interacts with dendritic cells to activate T cells that control antibody production. The breakthrough study uses single cell force spectroscopy to understand alum's properties, potentially leading to new vaccines for major diseases.
Researchers have developed a molecular switch that enables efficient activation of dendritic cells, a crucial step in cancer vaccine development. By combining MyD88 and CD40 signaling pathways, the switch synergistically activates dendritic cells to enhance antitumor efficacy.
Ohio State University researchers have discovered a way to manipulate the immune response to vaccination, enabling effective immunization even when maternal antibodies are present. By using a specific type of antibody, known as IgM, they can activate B cells and stimulate an immune response, potentially improving childhood vaccination ...
Researchers at Tel Aviv University develop a 2-in-1 vaccine that repairs vascular damage in the brain, protecting against both Alzheimer's and stroke. The vaccine activates macrophages to clear away damaging amyloid proteins, preventing further damage and promoting repair.
Recent meetings discussed regulatory challenges for dengue vaccines, including issues with funding, ethics and trials. A registry has been established to track systematic reviews, promoting transparency in healthcare decision-making.
Researchers at Singapore Immunology Network (SIgN) and VIVALIS have developed two fully human monoclonal antibodies that can neutralize several Chikungunya strains. These antibodies, generated using VIVALIS' Humalex platform, show promise as a potential treatment for the disease.
Researchers found that vaccinating through salivary glands can provide protection against various diseases, including influenza and cholera. The technique involves administering vaccines directly into the salivary glands, which then trigger an immune response both locally and systemically.
A case report published in Canadian Medical Association Journal details the probable transmission of a vaccine strain of yellow fever virus from an infected mother to her infant through breastfeeding. This supports current recommendations for lactating mothers to avoid vaccination with yellow fever vaccine.
A dry powder, live-attenuated measles vaccine was successfully tested in rhesus macaques, providing complete protection with a single dose. The novel vaccine can be shipped as powder and does not require reconstitution or special training to administer.
A new study found that implementing provider-based recall for immunizations is challenging due to lack of awareness and perceived difficulties. However, strategies such as dedicated staff and recalling children under two years old can facilitate recall initiation. The study suggests alternative approaches like population-based recall m...
The MSD Wellcome Trust Hilleman Laboratories is conducting a feasibility study to develop a rotavirus vaccine designed specifically for developing country needs. The project aims to improve product stability, ease of use, transportation, and affordability.
Researchers combined two proteins and a stress response protein to create a new TB vaccine strategy that provided stronger, more long-lasting protection than the current BCG vaccine. The study found that this multistage vaccine controlled reactivation of latent infection and reduced Mtb levels in the lungs more effectively.
Researchers found that vaccination can provide approximately 76% protective efficacy against cholera, and modeling suggests delayed responses can still have a benefit. The use of oral cholera vaccines during outbreaks is being reevaluated due to the changing nature of Vibrio cholerae.
A new study explores how emotions hinder safety product decisions, finding that people reject imperfectly safe options due to feelings of betrayal. Providing positive images and presenting information in a graphic format can help consumers make safer choices. Influencing others' choices can also encourage safer decisions.
The zoster vaccine has been shown to significantly reduce the risk of herpes zoster (shingles) in older adults, with a 55% lower incidence rate compared to unvaccinated individuals. The vaccine was also found to reduce the risk of ophthalmic herpes zoster and hospitalizations coded as herpes zoster.
A Kaiser Permanente study found that receiving the herpes zoster vaccine reduced the risk of shingles by 55% in adults 60 years and older. The vaccine also showed effectiveness in preventing shingles in adults over 75, supporting CDC recommendations to offer it to all eligible patients.
A study published in Journal of Infectious Diseases found that children who received two doses of the varicella vaccine had a 95% lower risk of developing chicken pox. The effectiveness of two doses was 98.3%, significantly higher than one dose at 86%.
Researchers have developed a lasting anti-cocaine immunity in mice using a safe vaccine combining bits of the common cold virus with a particle mimicking cocaine. The vaccine elicits an immune response that prevents cocaine molecules from reaching the brain, reducing hyperactivity.
A study found that mothers who discussed the HPV vaccine with their daughters were more likely to be vaccinated themselves. The key factor was mothers believing the vaccine was safe and effective, not fear or cost concerns.