Articles tagged with Vaccination
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.
A new system using electronic health records significantly improves primary care physicians' performance and the health of patients with chronic conditions. The program boosts preventive care in vaccinations and cancer and osteoporosis screenings, increasing rates by up to 10 percentage points.
A study published in The Lancet found that deworming treatment during pregnancy does not affect infant immune responses to vaccines or infectious disease incidence. The authors suggest that the value of this intervention should be re-examined, and policy recommendations be reviewed.
The Cervical Cancer-Free America program aims to raise awareness and increase screenings for cervical cancer, targeting disadvantaged communities. With the support of a $150,000 grant, Indiana will implement initiatives to reduce HPV infection rates and increase vaccination rates, ultimately aiming to eliminate cervical cancer.
Researchers found that Mycobacterium chelonae, a common environmental bacterium, can decrease the effectiveness of the bacille Calmette-Guerin (BCG) vaccine. The study suggests that immune cells exposed to this bacterium may dampen vaccine efficacy. This discovery could lead to new, more effective vaccines against tuberculosis.
A new study suggests preterm infants are at risk of invasive pneumococcal disease despite receiving the pneumococcal conjugate vaccine. Early effective immunization is crucial, as they have lower levels of maternally derived antibody than full-term infants.
A new dendritic cell vaccine has been developed at Dartmouth Health, which uses the patient's own tumor cells to stimulate an anti-tumor response. The study found that over 60% of patients who received the vaccine developed immune responses against their tumors, with a significant survival rate five years after treatment.
Experts recommend stocking up on cholera vaccines to rapidly deploy to high-risk areas, complementing treatment efforts in Haiti. A ready supply could limit the impact of an outbreak and promote humanitarian benefits.
A group of experts recommends creating an emergency stockpile of cholera vaccines to rapidly deploy in high-risk areas, stabilizing countries and preventing outbreaks. The US would face low costs, while the benefits could be enormous, particularly in refugee camps.
Researchers developed a new approach to vaccination for rotavirus, inducing an immune response in mice and protecting them from infection. The heat-stable vaccine is low-cost and can be delivered as nasal drops or spray, addressing challenges in developing countries.
Researchers have developed a faster-growing E. coli strain suitable for mass production of high-quality DNA for vaccines and gene therapy. The modified strain retains useful traits while growing as quickly as other industrial strains.
A University of Michigan study found that contact patterns among different age groups can explain the observed shifts in whooping cough prevalence and incidence. The research suggests that blanket booster-vaccination programs for adults may not be an efficient strategy for controlling the disease.
Researchers at NIST have developed a suite of standard reference materials for measuring organic acids in dietary supplements formulated with Vaccinium berries. These materials can help prevent economic adulteration by identifying the type and amount of berry used in products.
Despite strong evidence of its effectiveness, only one-third of eligible young women complete the recommended three-dose regimen for the human papillomavirus (HPV) vaccine. Persistent infection with certain HPV types may lead to cervical cancer.
A study of adolescents found that less than 2% met annual preventive care visit recommendations, highlighting the need for better access to care. Meanwhile, a survey of family physicians revealed that many refer patients elsewhere for vaccines due to inadequate payment and lack of participation in federally-funded programs.
A University of Minnesota researcher found that public support for the HPV vaccine decreases when linked to controversy in the media. In contrast, support for other vaccines remains stable, suggesting a need for responsible reporting on health policies.
A recent study suggests that the monkeypox virus can cause significant lung damage by decreasing production of proteins involved in maintaining lung tissue structure and lubrication. This finding may lead to new approaches for treating conditions such as bronchitis, emphysema, and other lung diseases.
USDA scientists have developed vaccines to protect farm-raised catfish against key diseases, including Streptococcus iniae and S. agalactiae. The modified live vaccine has been shown to create a lifelong immunity in fish, with previous research breakthroughs benefiting the catfish industry.
Researchers found that parasites can adjust their survival strategy in response to the host's immune system, leading to faster growth rates and increased reproduction. This insight may help inform the design of future vaccines against parasitic diseases such as elephantiasis and river blindness.
The H1N1 pandemic showed the need for faster vaccine production and clear communication to address risks to vulnerable populations. The delay in vaccine manufacturing and unclear messages hindered efforts, resulting in significant years of life lost among younger age groups.
Scientists are assessing the impact of new vaccines on respiratory infections and diarrheal diseases in African children. The study aims to investigate how effective these vaccines are in areas with high morbidity rates and diverse strains of bacteria.
Researchers at UT Southwestern Medical Center have created an experimental vaccine that stimulates more than 10 times as many antibodies against beta-amyloid as similar DNA vaccines. The new approach shows promise in generating enough antibodies to be useful clinically in treating patients.
A survey of Spanish mothers found that they are more concerned about vaccinating their children due to the HPV vaccine incident. In contrast, mothers in Switzerland and Norway expressed less concern about vaccine safety. The study also showed that healthcare professionals are the most trustworthy source of information on vaccines.
The National Institute of Allergy and Infectious Diseases (NIAID) has awarded contracts to develop three biodefense vaccines to protect against dengue, anthrax, and other emerging infectious diseases. The vaccines aim to improve vaccine delivery and immune response for large-scale protection.
A multicenter study in Canada found that shingles affects not only physical health but also mental well-being, including sleep quality and enjoyment of life. After the acute phase, 24% of participants developed postherpetic neuralgia, a persistent pain condition.
A four-year study funded by the AHRQ investigates Total Health, a unique benefits program offering preventive care, reduced copayments for chronic conditions, and health promotion programs to manage chronic diseases. The study aims to improve employee wellness and productivity while controlling healthcare costs.
Researchers discuss factors contributing to cancer disparities, including language barriers and lack of health literacy. Successful strategies include tailoring messages to specific audiences and promoting evidence-based programs like Body and Soul.
A Phase 3 clinical trial conducted by GlaxoSmithKline and the National Institute of Allergy and Infectious Diseases found that a genital herpes vaccine was ineffective in preventing the disease in women. The study, which involved 8,323 women aged 18-30 years, showed that the vaccine had an estimated 20% effectiveness rate.
A recent study found that less than half of essential workers are willing and able to report to work during a serious pandemic. Motivation to work is tied to workplace safety measures, trust in employers, and past experience. Employers can increase worker willingness by providing resources and support for personal obligations.
A recent clinical study has shown that patient-specific vaccines can sometimes induce durable complete regression of progressing soft-tissue melanoma metastases. The vaccine was found to be effective in one particular patient who remained in complete remission for over two years, more than four years after her initial diagnosis.
A new TB vaccine candidate called AERAS-422 is undergoing clinical trials to evaluate its safety and immunogenicity. The vaccine aims to interrupt TB at all stages of infection, including initial infection, latency, and reactivation.
Researchers have successfully tested a potential vaccine against Ichthyophthirius, a parasitic disease causing significant losses in commercial fish farming and home aquarium hobbyists. The study showed that vaccination with live Ich theronts stimulated production of protective antibodies in channel catfish.
A new monoclonal antibody, RAB-1, has shown promising results in a Phase 1 study, achieving protective antibody levels comparable to the current standard of treatment. The therapy could potentially save tens of thousands of lives annually by addressing supply problems and side-effect issues associated with human rabies immune globulin.
Researchers developed a mathematical framework to optimize vaccine stockpile levels, balancing objectives such as minimizing shortages, maintaining coverage, and reducing costs. The model demonstrates that one-size-fits-all approach may not work, and optimal stockpiles depend on disease importance and initial conditions.
Research suggests that the current six-month rotating vaccine stockpile policy may not be optimal for achieving herd immunity. A new stochastic model proposes flexible policies to minimize vaccine shortage risks while maintaining coverage rates. The study's findings highlight the need for differentiated stockpile levels based on diseas...
A study found that infants receiving pneumococcal conjugate vaccination (PCV-7) at 2, 4, and 11 months had a higher likelihood of acquiring pneumococcal serotype 19A, a multiresistant strain. The study's findings suggest that PCV-7 may facilitate the acquisition of this strain.
Researchers at UCLA report a 20-fold increase in human monkeypox cases in the Democratic Republic of Congo since smallpox vaccinations ended in 1980. The virus has become more common due to lack of health infrastructure and no surveillance, posing a risk for wider spread into animal populations.
Researchers have made progress on a vaccine for Ich, a parasitic disease that causes significant losses in commercial fish farms and home aquarium hobbyists. The study found that vaccination with live Ich theronts and trophonts stimulated production of protective antibodies in channel catfish.
Although immunity to mumps is high in the US, maintaining and improving vaccine coverage is crucial to prevent future outbreaks. The study found that only about 90% of the population has sufficient antibodies, which may not be enough to stop transmission.
Scientists at the University of Cambridge have developed a vaccine to stop cancer-causing viruses that invade host cells, initiate cancer, and then disappear. The vaccine has been shown to protect against subsequent cancer development in mouse models, holding promise for preventing human cancers.
Researchers at Iowa State University have discovered a special set of sugars that helps certain pathogens evade the body's natural defenses and vaccines. The finding may lead to new research for developing vaccines or cures for diseases like tuberculosis.
Researchers are developing a new vaccine technology using MHC tetramers to accelerate bovine vaccine creation, promising faster and more accurate development of vaccines for East Coast fever and foot-and-mouth disease. The goal is to provide basic science insights needed for better disease control in developing countries.
A new tetravalent vaccine developed by NIAID is being tested in a Phase I human clinical trial to prevent dengue fever. The vaccine, which protects against all four dengue viruses, aims to provide efficient and cost-effective prevention against the mosquito-borne disease.