Articles tagged with Vaccination
A new experimental vaccine has shown promising results in protecting nonhuman primates from Lassa fever. The vaccine, developed using a non-pathogenic form of vesicular stomatitis virus as a carrier, has been successfully tested with all vaccinated monkeys surviving infection.
Researchers have identified a specific region on the yellow fever virus protein that elicits an immune response, which could help improve existing vaccines and reduce severe side effects. The study found that antibodies produced by the immune system interact with this part of the protein to fight off infection.
Scientists at UCSD and Elan Pharmaceuticals have successfully vaccinated mice with a combination of human alpha-synuclein protein and adjuvant, reducing abnormal alpha-synuclein accumulation and promoting nerve cell survival.
Researchers have developed a new technique to produce infectious human papillomavirus (HPV) in the lab, over 1,000 times faster than existing methods. This breakthrough could lead to new antiviral drugs and enhanced vaccines that target early stages of infection.
Researchers at the University of Iowa have discovered a new vaccination strategy that dramatically speeds up the immunization process by greatly reducing the required 'lag time' between initial vaccination and booster shots. This finding has important implications for immunotherapy, where developing immunity fast is critical.
A recent study published in JAMA Network found that the Tdap vaccine elicited robust immune responses in adolescents and adults to pertussis, tetanus, and diphtheria antigens. The potential benefits of widespread use of an adolescent and adult pertussis booster vaccine include a reduction in pertussis disease.
A new combination vaccine for diphtheria, tetanus, and pertussis has been found to be effective in providing immunity against whooping cough, with minimal adverse reactions. The vaccine is composed of four protein fragments from the pertussis bacterium and is comparable to existing vaccines in terms of immune response and safety.
A limited study of 15 horses found that MLV vaccines consistently had lower fevers, no neurological disorders and less virus in nasal fluids. The horses were then exposed to the herpes virus after vaccination with either an MLV or inactivated vaccine.
Researchers have developed a new combination vaccine that is highly effective in protecting against pneumonic plague, with antibody levels 500,000 times higher when flagellin is added to the vaccine. The vaccine also shows promise for multiple uses and requires only a few drops in the nose for protection.
Researchers at NYU Langone Health have developed the first mucosal prion vaccine that protects mice from developing prion disease by up to 500 days. The vaccine uses proteins found on disease-causing organisms and has shown promising results in preventing the progression of prion diseases.
Aeras and UCLA announce a license deal for rBCG30, a live recombinant vaccine technology developed at UCLA's David Geffen School of Medicine. The vaccine has shown promising results in initial clinical studies and holds potential to reduce TB disease burden globally.
Boostrix is approved by the FDA for use in US adolescents against pertussis, with reported cases rising nearly 20-fold since 1976. Experts estimate the true incidence of the disease may be greater than one million cases per year, particularly among teens.
A survey of parents with non-medical exemptions found that 69% cited vaccine harm as a reason for exemption. Parents with exempt children reported lower trust in government and medical sources, while also expressing more confidence in alternative medicine professionals.
A study found that 35% of children using complementary alternative medicines (CAM) had lower vaccination rates, while 8.9% were unvaccinated for diseases like measles, mumps, and rubella. Parents' misconceptions about vaccine safety can lead to adverse events and harm their children.
Researchers found that combination therapy with antibiotics and vaccination is the best strategy for preventing death and disease, while also being the least costly option. The study suggests that widespread pre-attack vaccination is not particularly effective due to high costs, emphasizing the need for rapid distribution systems.
A new study on anthrax attacks suggests post-attack vaccination plus antibiotic therapy is the most effective strategy. Meanwhile, an analysis of data from a large randomized trial found that both metformin and lifestyle changes can slow metabolic syndrome progression, with lifestyle change providing greater benefits.
Using informatics and computer modelling, researchers can speed up vaccine development by identifying common patterns in 'foreign' protein sequences. This approach has the potential to significantly reduce the number of proteins that need to be experimentally tested.
Researchers identify renalase as a novel protein regulating cardiac function and blood pressure. WNK1/4 interaction is also crucial for controlling human blood pressure and familial hyperkalemic hypertension (FHHt) risk.
Researchers are developing a vaccine using dendritic cells to boost the immune system against lung cancer recurrence. The study enrolls patients for two years, with promising previous results, aiming to treat 30 new patients.
A novel vaccine against Pseudomonas aeruginosa has been successfully tested in mice, inducing antibody production and protection against the deadly bacteria. The vaccine uses a modified adenovirus vector expressing a region of the bacteria's outer membrane, which was previously recognized as a promising vaccine candidate.
A novel genetic vaccine against Pseudomonas aeruginosa has been developed using a modified adenovirus vector expressing a region of the outer membrane called OprF. Immunization with this vaccine induces antibody production and protects mice from deadly doses of the bacteria, even after repeated exposure.
Extensive scientific evidence confirms no link between vaccines and neurodevelopmental disorders like autism. Immunization remains crucial for protecting children from serious infectious diseases, says the Infectious Diseases Society of America.
Researchers have discovered that natural protection against pneumococcal disease may not rely solely on antibodies. Long-lasting immunity to pneumococcus was found in mice exposed to live bacteria or a whole-cell vaccine, which stimulates CD4+ T-cells to provide protection at the earliest stage of infection.
A new study suggests that child care attendance can lead to higher rates of pneumococcal carriage in both children and non-children. The research model predicts that communities with more children in child care have higher carriage rates among all age groups. Vaccination, good hygiene, and regular toy cleaning are key preventive steps.
A study found that 76% of women would be willing to accept a cervical cancer vaccine for themselves, while 67% of mothers with daughters would consent to have their child vaccinated. The main reasons for non-acceptance were unknown side effects and the belief that minors are not sexually active.
A recent survey in Sudan found high mortality rates among internally displaced persons, with acute malnutrition prevalent in some areas. The study highlights the urgent need for humanitarian efforts to ensure acceptable living standards for these populations.
The Society for Adolescent Medicine advocates for adolescents to receive extended protection against pertussis. Adding a pertussis component to the current tetanus-diphtheria booster vaccine could help prevent this disease in teens and reduce transmission to infants.
Researchers found that vaccinating mice with prostate cancer immediately after hormone therapy triggers a stronger T-cell response against the cancer. The strategy could lead to better vaccine effectiveness in humans, delaying the need for additional treatments or hormone therapy.
Two studies examine the prevention of type 2 diabetes mellitus, a condition that affects millions of Americans. Researchers found positive lifestyle changes lowered risk among nonsmokers but not smokers. A computer simulation determined the diet-exercise program and metformin therapy were cost-effective options.
Research reveals that female sex hormones, particularly estradiol, play a crucial role in defense against sexually transmitted diseases. Estradiol-treated mice showed 100% protection from herpes virus infection, while those with progesterone or no hormone showed extensive infection and increased inflammation.
A study published in Archives of Pediatrics and Adolescent Medicine found that parental attitudes toward STD vaccinations are not significantly influenced by the type of infection, with most parents prioritizing vaccine effectiveness and prevention of fatal infections. Only 6% of parents expressed an aversion to STD vaccines in general.
A study found that parents are as likely to vaccinate their children against STIs as other types of infection, with the severity of the infection and vaccine effectiveness being key determinants. Parents favored vaccines for infections without behavioral prevention methods.
The AAAS has selected five science reporters from Africa to receive fellowships and training at the 2005 Annual Meeting. The program aims to encourage outstanding young science journalists and support their coverage of science and health topics in developing countries.
Researchers found that vaccination against tumor-specific proteins can reinvigorate existing T cells, allowing them to attack tumors. This breakthrough suggests a new approach to treating skin cancer by targeting the immune system's natural defense mechanisms.
Researchers at Weill Cornell Medical College have developed a fast-acting anthrax vaccine that uses gene transfer technology to provide rapid immunity. The new vaccine works quickly, granting mice immunity within 12 to 18 hours of vaccination and may be used in combination with active vaccines for enhanced protection.
A Mayo Clinic study analyzed data from the Rochester Epidemiology Project and found a stable incidence of autism until 1988-1991, then increased with new diagnostic criteria and special education laws. Researchers identified 124 children meeting current diagnostic criteria for autism out of 3,000 with related diagnoses.
Researchers from CANVAC, a Canadian network of immunology and virology experts, have developed a new method to assess thymus function using only blood samples. They found that HIV-infected individuals experience decreased thymic function in the first months after infection, leading to lower T-lymphocyte production.
Researchers developed a probability model to predict how many cases of anthrax could be prevented under varying conditions. The study found that antibiotics distributed within 6 days after exposure and taken for 60 days can prevent up to 70% of anthrax cases.
UT Southwestern researchers developed a gene-based vaccine to stimulate immune systems against amyloid protein, reducing plaque buildup and cognitive loss in mice. The study aims to create a safe and effective Alzheimer's vaccine that can prevent or slow disease progression.
A four-year study by Yale researchers found that vaccinating white-footed mice reduced the number of deer ticks carrying Lyme disease. The study demonstrated a significant reduction in risk for humans getting Lyme disease from tick bites, but not as great as expected. Further development of oral vaccines is proposed to reduce human risk.
Researchers developed a new live rabies vaccine by manipulating the virus, making it weaker and more effective in provoking an immune response. The vaccine has shown promise in preventing the spread of rabies in wildlife and humans, with potential applications for stray dogs and animals.
Researchers have developed a peptide vaccine that produces an immune response in 60% of patients with myeloid leukemia, resulting in complete molecular remission for three patients. The vaccine targets the PR1 peptide, which is overexpressed on leukemia cells, inducing immune T-cells to kill cancer cells while leaving normal cells intact.
A Stanford researcher has developed a test that reverses pre-existing food allergies in dogs by vaccinating them with heat-killed bacteria mixed with peanuts or milk. The test showed significant results, with four dogs able to eat over 37 peanuts and five dogs tolerating larger quantities of milk without symptoms.
A randomized trial has demonstrated that a HPV vaccine is effective in preventing persistent HPV infections, abnormal Pap tests, and precancerous lesions. The vaccine's efficacy rate is up to 95%, suggesting a substantial reduction in cervical cancer rates globally.
Researchers aim to block harmful immune response in brain inflammation and remove beta amyloid plaques with anti-CD40 ligand antibody and investigational vaccine. The study builds on previous USF laboratory studies tracking the role of microglia in Alzheimer's disease.
A new pertussis booster vaccine candidate has shown promising results in a clinical trial, providing extended protection against whooping cough, diphtheria, and tetanus for adolescents. The vaccine, Boostrix, demonstrated high levels of anti-pertussis antibodies and comparable side effects to the existing Td vaccine.
Researchers analyzed VAERS data for adverse events following pneumococcal conjugate vaccine (PCV) vaccination in children. The study found that 13.2 reports of events were submitted per 100,000 doses distributed.
A new report highlights the potential of biotechnologies in improving health in developing countries. The report proposes a global institute to share and promote the benefits of genomic sciences, aiming to save tens of millions of lives per year.
Mayo Clinic has been awarded a major NIH contract to conduct genomic research on smallpox vaccination, utilizing its advanced genomics technology center and biostatisticians. The study aims to identify gene polymorphisms affecting susceptibility to infection and response to vaccination.
A research team led by Peter B. Jahrling has successfully developed a nonhuman primate model of smallpox infection in monkeys. The study demonstrates that variola virus can produce lethal disease in monkeys, providing valuable insight into the pathogenesis of smallpox.
A recent study using the General Practice Research Database found an association between hepatitis B vaccination and a three-fold increase in MS incidence within three years following vaccination. The study's limitations highlight the need for further research into the potential link between vaccines and autoimmune diseases.
A recent UK study published in The Lancet has found no association between the MMR vaccine and the development of autism or pervasive developmental disorders. Researchers analyzed data from over 1,300 cases and 4,469 controls, concluding that vaccination did not increase the risk of these conditions.
A new study by Vanderbilt University Medical Center shows the pneumococcal conjugate vaccine significantly decreases illnesses in children under 2 years old. The vaccine has been found to reduce ear infections and pneumonia cases by 7% and 17%, respectively, resulting in fewer doctor visits and cost savings.
Researchers found that a frozen preparation of smallpox vaccine remained effective even at 10-fold diluted doses. The study involved 340 healthy volunteers and showed a high vaccination success rate, suggesting the vaccine can be safely expanded for use in emergency situations or during public health crises.
A new pediatric croup vaccine has been shown to be safe and well-tolerated in adults, with no significant reactions or laboratory abnormalities. The vaccine contains a live virus that stimulates both antibody and cellular immune responses, providing potential durable protection against hPIV-1.
The study found that USAMRIID's biosafety and medical management program effectively prevented laboratory-acquired infections, with only five confirmed cases in a fourteen-year period. The review emphasized the importance of vaccination and early evaluation of potential exposures.
Researchers found that activation of Serine protease inhibitor 2A (Spi2A) can prevent T cell death and increase memory T cells, potentially boosting vaccine efficacy. This discovery could lead to new vaccines or treatments for chronic infections and autoimmune diseases.
Researchers at Cedars-Sinai Medical Center found that combining an anti-tumor vaccine with chemotherapy significantly extended patient survival to 26 months on average. The treatment, which involves dendritic-cell immunotherapy, was shown to slow tumor growth and increase the effectiveness of chemotherapy.
A phase 1 vaccine trial has demonstrated that a group A streptococcal vaccine appears safe and well-tolerated, inducing immune responses capable of conferring protection against multiple strains. The study's findings suggest that a specific dose and schedule may be effective in preventing group A streptococcal infections.
A study found that vaccinated cases were half as contagious as unvaccinated cases, with varying levels of contagiousness depending on the number of lesions. The authors suggest continued monitoring to improve vaccine policy decisions for future generations.