Articles tagged with Vaccination
Researchers have identified an antibody that neutralizes Sudan virus, one of the most deadly human pathogens caused by ebolavirus. The new findings suggest a key spot for neutralizing ebolaviruses, which could lead to the development of effective vaccines and antibody-based therapies.
A vaccine seroepidemiology surveillance system would help track vaccine coverage, identify trends, and predict outbreaks in Canada. This system is crucial for informing vaccine policy and improving the country's immunization programs.
Researchers found that mice with high amyloid burden experienced significant brain inflammation after receiving the vaccine, while those with lower amyloid burdens showed a significant benefit. The study suggests that vaccines may work best for patients with early disease and lower amyloid burden.
Two Penn physicians propose incorporating narrative into evidence-based medicine to translate medical science to the public, combating disproven theories and fear-based appeals. They suggest using counternarratives and personal stories to unmask hidden work of researchers and guidelines committees.
A recombinant poxviral vaccine has shown positive responses in both metastatic breast cancer and ovarian cancer, with median overall survival ranging from 13.7 months to 15 months. The treatment led to clinical responses in some patients and mild injection-site reactions as the most common side effect.
Scientists have developed a vaccine using a harmless parasite to carry medicines into cattle's bloodstream, offering long-term protection against common conditions. The treatment could also be adapted to deliver drug treatments against common cattle diseases.
A recent clinical trial conducted by the University of California - San Francisco indicates that a vaccine against HPV can effectively reduce anal infections and precancerous lesions, leading to a nearly 75% reduction in cancer precursors among those who had not been previously exposed. The vaccine is expected to prevent anal cancer in...
A new study from Johns Hopkins Bloomberg School of Public Health developed a method to better estimate vaccine coverage, combining administrative data with survey data. The results show that estimates of routine immunization activities are substantially lower than previously thought in some countries, such as Madagascar and Sierra Leone.
Researchers developed a method to estimate vaccination program effectiveness in three African countries, identifying areas for improvement. The study's findings can inform strategies to increase vaccine coverage and address issues with vaccine delivery.
Researchers demonstrate that an anti-caries DNA vaccine, pGJA-P/VAX, combined with a Salmonella protein adjuvant, enhances saliva IgA responses and protects against dental caries. The study shows that the adjuvant promotes specific immunoglobulin A responses in saliva and offers better protection against caries.
The Immunization Action Coalition (IAC) will distribute its publications to healthcare professionals and create new immunization education materials with the support of a $1.4 million cooperative agreement from the CDC. IAC will also become the nation's central clearinghouse for Vaccine Information Statements in languages other than En...
Researchers at the University of Pennsylvania have developed a new cell-based vaccine that shows promise in treating canine non-Hodgkin's lymphoma. The vaccine, which uses B-cells instead of dendritic cells, has been shown to increase overall survival time for dogs with the disease.
A study in The Gambia found that vaccinating young children reduced carriage of pneumococcus not only in vaccinated children but also in older children and adults. The vaccine also showed no increase in non-vaccine serotype pneumococci carriage after two years.
Researchers at the University of Southampton have made a significant breakthrough in understanding Chlamydia trachomatis genetics, enabling the development of new treatments and potentially a vaccine. This breakthrough could lead to improved treatment options for the disease, which is often left untreated due to its asymptomatic nature.
A new type of vaccine based on proteins from the coccidiosis bug has been developed to protect chickens against the disease. The vaccine uses a protein called MIC3, which is secreted by the parasite and binds to sugar molecules on chicken cells.
A new study by Loyola University Chicago Stritch School of Medicine could lead to improved gene therapies for conditions such as heart disease and cancer. Researchers found that a virus used in vaccines can also be tailored to cause less of an immune response in gene therapy applications.
A new study found that genetic factors beyond major histocompatibility complex (MHC) molecules play a crucial role in determining the effectiveness of an Alzheimer's vaccine. The findings suggest that vaccines could be designed to prevent neuroinflammatory reactions, improving treatment outcomes for patients.
Researchers at LLNL and Loyola University have received a $3.5 million NIH grant to develop a new anthrax vaccine using nanolipoprotein technology. The NLP-based vaccine has shown potential in preventing disease and protecting people, with flexible formulation and robustness.
A study found that pediatricians in Appalachia are less likely to encourage parents to get the HPV vaccine for their children, citing a lack of information and cultural concerns. This is alarming as HPV infection is a major risk factor for cervical cancer, which disproportionately affects Appalachian women.
Scientists have identified a novel type of antibody that works against pneumococcal bacteria by causing them to clump together, leading to the expression of genes that could kill some of their siblings. This finding could improve vaccines against pneumonia and reduce hospitalizations and deaths from pneumococcal disease.
Researchers at Mayo Clinic identified mutations linked to immune response to the measles vaccine, which could enable physicians to prescribe appropriate doses and timing based on routine genetic screening blood tests. The study's findings also have implications for the development of more effective vaccines and personalized vaccination.
A researcher at Indiana University is investigating the most effective ways to present information about the HPV vaccine to young women, in an effort to boost vaccination rates. Her study will assess how women process and understand the information, as well as their attitudes and intentions toward vaccination.
Two scientists, Dr. Thomas Kosten and Dr. Peter Burkhard, will receive funding to develop a vaccine against methamphetamine addiction and a peptide nanoparticle nicotine vaccine. The vaccines are expected to undergo initial clinical trials within the next five years.
A recent study has reclassified cowpox virus into distinct species, challenging the long-held assumption of a single causative agent. The research also found that commercial smallpox vaccines are derived from central or eastern Europe, rather than Jenner's original English strain.
A new study suggests that Cervarix vaccine may be as effective in preventing cervical cancer with fewer than three doses, offering potential cost and logistics benefits. The researchers found similar protection levels among women receiving one, two, or three doses of the vaccine.
A new TB vaccine candidate has shown promising results in animal studies, inducing a robust T-cell response that could protect against the disease. The vaccine, developed using a closely related species of bacteria, proved both potent and safe, with vaccinated mice living up to 135 days versus 54 days for control mice.
The GonaCon vaccine blocks sex hormones that spark undesirable behaviors in household pets and farm animals, reducing scent-marking, fighting, and aggressive behavior. The vaccine also shows promise for controlling white-tailed deer populations and preventing automobile-deer collisions.
The reappearance of measles is linked to unfounded fears about a link between the measles shot and autism, says Dr. Gregory Poland. Despite over 20 studies finding no connection between MMR vaccine and autism, some parents have turned against childhood vaccination.
A study by the CDC found that rotavirus vaccination in infants reduces hospitalizations for severe diarrhea in older children and adults. The study, published in The Journal of Infectious Diseases, shows that vaccinating infants can indirectly prevent serious disease in unvaccinated groups.
Bleeding calf syndrome affects new-born calves, caused by low blood cell counts and bone marrow depletion. A vaccine against BVDV has been linked to the condition through anti-MHC class I antibodies produced by mothers.
Scientists have successfully tested a bivalent vaccine that protects against both rabies and Ebola in mice, offering a promising solution for Africa's healthcare challenges. The vaccine is built on the same platform as the approved rabies vaccine and has several advantages over existing Ebola candidates.
Researchers found a seasonal pattern of narcolepsy onset in China, most frequent in April, with a significant spike following the H1N1 pandemic. The study suggests that flu vaccination was unlikely to cause the increase and points towards an autoimmune disease trigger.
Researchers have created a new candidate vaccine to protect against chikungunya, a mosquito-borne disease that causes intense pain and chronic arthritis. The experimental vaccine, a recombinant live-attenuated vaccine, has shown promising results in lab mice, offering a potential solution to this debilitating infection.
Researchers have successfully assembled the Bluetongue virus outside a cell, paving the way for the development of more effective vaccines. This breakthrough could lead to vaccines with useful new properties, such as tags that distinguish vaccinated animals from those that have recovered.
A new INFORMS study proves that mathematical models of hepatitis B interventions are cost-effective and have saved millions of lives. The models verified the effectiveness of screening, treating, and vaccinating millions of Asian and Pacific Islander adults in the US and millions of children in China.
A study found that only 59.8% of health care students had documentation of complete hepatitis B vaccination, while 83.8% were protected against infection when tested for antibodies. The rates are lower than the US government's Healthy People 2010 goal of 90% hepatitis B vaccination coverage among health care workers.
Researchers have successfully conducted lab tests on a new vaccine formulation to combat heroin addiction, showing reduced willingness in laboratory rats to self-administer the drug. The vaccine exploits an individual's immune system to blunt heroin's psychoactive effects, offering a potential tool for combating relapse and overdose.
Researchers have identified genetic similarities between Streptococcus pyogenes and Streptococcus equi, two bacteria that cause potentially fatal infections in humans and horses. The study suggests a shared strategy for causing disease and offers hope for developing novel vaccines for both species.
A lack of understanding about HPV vaccination and its link to future cervical screening has been found among parents and girls in the UK. Despite being effective against two high-risk HPV types, vaccinated individuals still require regular cervical screenings to protect against other strains that can cause cancer.
A European joint project, HCVAX, is developing a novel hepatitis C vaccine based on nanotechnology. The vaccine uses biocompatible nanogels to bring genetic information of the virus into the body, triggering an immune response.
Researchers identify VIP signaling pathway key for normal brain development, finding that environmental factors can influence final brain size. A new approach to treating Parkinson's disease is also suggested with T-type calcium channel blockade.
Researchers at Arizona State University have developed a technique to make salmonella-based vaccines safer and more effective, with potential applications in fighting diseases like hepatitis B, tuberculosis, and pneumonia. The new approach retains strong immunogenic properties while reducing unwanted side effects.
Researchers at UT Southwestern Medical Center found an accelerated hepatitis B vaccination schedule to be effective and well-tolerated in high-risk pregnant women. The study's findings suggest that a shortened 12-week vaccine regimen can provide long-term immunity and is comparable to the standard 6-month adult schedule.
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.
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.
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.
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.