Articles tagged with Vaccination
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A recent study has identified a molecular pathway that could lead to a safer and more effective strep vaccine. The research discovered the genes responsible for producing a molecule that defines Group A Streptococcus, which causes over 700 million infections worldwide each year.
The combined MMRV vaccine has been associated with slightly higher rates of febrile seizures in young children, but these seizures are typically self-limiting and rarely have long-term effects. Researchers found a slight increase in the relative risk of febrile seizure with the MMRV vaccine compared to the separate MMR+V vaccine.
Researchers are developing a new, freeze-stable tetanus vaccine using lipid nanoparticles and a hollow microneedle system. The delivery device can target specific areas of the skin, increasing vaccine efficacy.
The University of Louisville has received a three-year, $5.5 million grant from the Leona M. and Harry B. Helmsley Charitable Trust to develop new treatments and vaccines for various forms of cancer. Researchers will focus on plant-based pharmaceuticals and vaccines for cervical and colon cancer.
A Pittsburgh Supercomputing Center and Johns Hopkins Bloomberg School of Public Health team used HERMES modeling software to help the Republic of Benin redesign its vaccine delivery system, saving an estimated $500,000 in costs while improving vaccination rates.
A recent study found that rates of infant immunization with pertussis-containing vaccine did not increase during a pertussis epidemic in Washington state. Despite high risk, vaccination rates remained stable before and during the epidemic, suggesting that conventional wisdom about vaccine acceptance may be challenged.
Researchers have identified a section of the anthrax toxin Lethal Factor that could help produce a more effective vaccine. A 10-year study found that this protein elicits a highly effective immune response and works across a wide range of people, making it a promising target for future vaccines.
A recent measles outbreak in the US highlights the need for physicians to be familiar with the deadly disease, particularly in return travelers with fever and rash. The author emphasizes the importance of measles vaccination and vigilance in healthcare facilities to prevent further spread.
A comprehensive genomic analysis of Bordetella pertussis bacteria reveals the impact of vaccination on its spread and diversification. The study shows that vaccination has dramatically reduced rates of infection and loss of life from whooping cough, but strategies used to date have not completely eradicated strains of the bacteria.
Cornell scientists developed the first vaccines that can prevent metritis in dairy cows, reducing incidence by up to 83% and alleviating symptoms. The research could help curb antibiotic resistance and save the US billions annually.
A UNSW-led study found that 80% of 2012 Australian whooping cough cases were caused by pertactin-free strains, which may evade vaccine antibodies. The shift could reduce the vaccine's effectiveness in Australia.
A study found a significant reduction in HPV types 16 and 18 infections among young women in England after the introduction of the HPV vaccination program. The prevalence dropped from 1 in 5 to 1 in 15 among those aged 16-18, with the lowest rates among vaccinated individuals.
Researchers found that small financial incentives increased completion of hepatitis B vaccination among injecting drug users, with 45-49% completing the course compared to 9%. The study suggests offering financial incentives can be achieved in routine clinical practice and improve public health outcomes.
Polymeric vaccine adjuvants in nanoparticles, matrices, or micelles can prompt strong adaptive immune responses. Researchers summarize the benefits and challenges of these polymer systems as adjuvants in vaccines.
A new study by University of Pennsylvania researchers found that strain-specific Lyme disease immunity can last six to nine years. This finding has significant implications for vaccine design, as a single vaccine could potentially cover multiple strains of the disease-causing bacteria, substantially reducing the risk of infection.
A recent study in Human Vaccines & Immunotherapeutics found that two doses of the HPV-16/18 AS04-adjuvanted vaccine Cervarix are non-inferior to three doses, providing similar protection against cervical cancer. The two-dose schedule showed a clinically acceptable safety profile and induced strong antibody responses.
Researchers have developed a new technique using DNA vaccines to stimulate the immune system's response against HIV and Hepatitis C viruses. The technique, which has shown promising results in pre-clinical research, involves delivering a vaccination directly into the skin using a micro-needle device.
The Lancet journals publish a special collection on tuberculosis, highlighting emerging challenges like drug-resistant strains and poor treatment outcomes. New anti-tuberculosis drugs and host-directed therapies are being developed to improve treatment efficacy.
A study found that changing hospital orders increased pertussis immunization rates by 69% among new mothers, providing protection for themselves and their newborns. Implementing a standing order led to the largest increase in vaccinations, raising the rate from zero to 69%.
A recent study published on bmj.com found that the HPV vaccine significantly protects against cervical abnormalities in young women. The research estimated that three doses of the vaccine provided 46% protection against high-grade cervical abnormalities and 34% protection against other cervical abnormalities.
A new study by Mayo Clinic reveals that African-American individuals develop twice the antibody response to the rubella vaccine compared to Caucasians. This finding may enable the creation of vaccines tailored to specific ethnic groups or individuals, offering a more effective approach to immunization.
Research from the University of Kent found that stronger belief in anti-vaccine conspiracy theories is associated with lower intention to vaccinate. This study suggests that anti-vaccine conspiracy theories may present a barrier to vaccine uptake, posing significant consequences for children's health.
Researchers have discovered a novel immunological mechanism that regulates B lymphocytes to fight encapsulated bacteria, clearing the path for more efficient vaccines. This discovery improves our understanding of the immune system's protection against infections.
Researchers developed a vaccine against rodent skin papillomavirus that prevented benign and malignant skin tumors in vaccinated animals. The vaccine worked even when given to already infected animals and suppressed the virus in mice treated with immune-suppressive drugs.
A nationwide study found HPV vaccination significantly reduces risk of cervical atypia and CIN2/3 among Danish girls and women. Vaccination with the quadrivalent HPV vaccine is effective in reducing population-level cervical precursor lesion risk.
Research suggests common infections increase stroke risk in children by six times, but routine vaccinations can help decrease this risk. The study found that childhood vaccinations were associated with a lower stroke risk, particularly for those who received all or most vaccines.
A study found that receiving two doses of the HPV vaccine significantly reduces the risk of genital warts and other STDs. The vaccine's efficacy was seen to decrease after three doses, but it still offers substantial protection against these diseases.
A Swedish register study found that receiving three doses of HPV vaccine significantly reduces the incidence of genital warts compared to two doses. The study, published in JAMA, suggests that a three-dose regimen may be more effective in preventing genital warts than previously thought.
A new study published in Pediatrics reveals that HPV vaccine perceptions do not influence subsequent sexual behaviors in teenage girls and young women. The vast majority of participants maintained safer sex habits after vaccination, regardless of their beliefs about the vaccine's effectiveness.
A new adjuvant, IL-33, enhances the immune response to cancer cells and viruses. The protein is being studied as a potential boost for vaccines against pathogens.
Researchers developed a nasal vaccine formulation that provides protective immunity against West Nile virus in mice after only 2 doses. The vaccine was shown to protect 100% of mice from morbidity and weight loss.
Researchers developed a novel method to study enterovirus structures and functions, allowing for tracking of viruses in cells and tissues. The method involves attaching gold nanoparticles to viruses, enabling studies on structural changes and mechanisms of virus uncoating.
Research published in Neurology suggests that having shingles may increase the risk of having a stroke years later, especially in young adults. People aged 18-40 who had shingles were found to be at a higher risk of stroke, heart attack, or transient ischemic attack compared to those who did not have shingles.
The article discusses the use of unlicensed vaccine Bexsero to combat meningitis outbreaks in the US, as well as new guidelines for BRCA mutation screening in high-risk women. The American College of Physicians also explains how Medicaid expansion will benefit poor citizens and their physicians by increasing access to healthcare.
Researchers have developed an oral vaccine against Helicobacter pylori using Lactobacillus acidophilus as a delivery vehicle. The vaccine elicits specific antibodies and provides significant protection against gastric infection.
Researchers found that young natural killer cells play a key role in preventing infectious mononucleosis caused by Epstein-Barr Virus. A potential vaccination is being explored to protect against EBV infection and reduce the risk of developing Hodgkin lymphoma.
A new study reveals the BCG vaccine is highly protective against pulmonary TB globally, including in tropical regions. The key to its effectiveness lies in early vaccination before prior infection, suggesting a crucial role for BCG in controlling TB's major burden and transmission.
A study analyzed how celebrities gain credibility as medical advisors and why the public follows their health advice. The researchers found that people's natural tendency to imitate others (herding) and celebrity endorsements can lead to a perception of trustworthiness, despite the lack of medical expertise.
Researchers found that moderate drinking boosted the immune system of rhesus macaques, leading to enhanced responses to vaccines. In contrast, heavy drinkers showed diminished vaccine responses. The study suggests a potential link between moderate alcohol consumption and improved immune function.
A phase 2 trial of a personalized vaccine made from patient tumor tissue showed improved survival rates compared to standard care alone. The vaccine, HSPPC-96, triggered an immune response to kill remaining tumor cells after surgery.
The pertactin antigen, crucial to the effectiveness of the whooping cough vaccine, is now absent from more than half of US bacterial isolates. The absence of this antigen has significant implications for public health authorities and highlights the need to monitor circulating bacterial populations.
A study published in Neurology suggests that a vaccine used to prevent tuberculosis may help prevent multiple sclerosis in people showing early signs of the disease. After six months, vaccinated individuals had fewer brain lesions than those who received a placebo, with 58% not developing MS compared to 30%.
A UConn research team has found a way to stabilize hemoglobin, the oxygen carrier protein in the blood, by wrapping it in a polymer chain. This discovery could lead to the development of stable vaccines and affordable artificial blood substitutes.
A nanosponge vaccine has been developed to combat MRSA toxins, triggering neutralizing antibodies and fighting off lethal doses in mice. The vaccine was found to be safer and more effective than traditional toxoid vaccines made from heat-treated staph toxin.
The University of Pittsburgh's Project Tycho has digitized all weekly surveillance reports for reportable diseases in the US since 1888, revealing patterns and insights into vaccine effectiveness. The database contains data on eight vaccine-preventable diseases, showing a resurgence of some diseases despite vaccination efforts.
A review of medical literature reveals financial concerns, parental attitudes, and social influences as key barriers to HPV vaccination among adolescents. The study emphasizes the importance of targeted guidance for healthcare professionals to improve vaccine uptake.
A Phase I clinical trial found that eight out of 16 patients with glioblastoma multiforme survived longer than five years, with median overall survival at 38.4 months. The treatment used an ICT-107 vaccine to alert the immune system to cancer cells and activate a tumor-killing response.
A new study suggests that rotavirus vaccination can also protect children against seizures, with a reduced risk of 20% compared to unvaccinated children. The researchers found that fully vaccinated children had fewer seizure-related hospitalizations and emergency department visits.
The University of Illinois has won Grand Challenges Explorations grants to develop a single-dose vaccine for multiple animal diseases and a system to study the microscopic parasite Cryptosporidium. This funding aims to address pressing disease problems in developing nations, improving animal health and productivity.
Researchers identified a genetic signature for respiratory syncytial virus (RSV), which causes severe pneumonia and bronchiolitis in infants. The discovery will help develop a vaccine and improve disease severity prediction using RNA profiles.
A study published in Neurosurgery found significant variations in hospitals' management of children with traumatic brain injury, particularly in ICP monitoring and craniectomy. The study analyzed data from over 7,000 children treated at 156 US hospitals and found that rates of these interventions varied significantly between hospitals.
Researchers at Northwestern University have successfully tested a nontoxic therapy that suppresses Lupus in blood samples of people with the autoimmune disease. The study found that the peptides can block and reduce autoantibody production to almost baseline levels, showing potential as a vaccine-like therapy.
A recent study published in Cancer Prevention Research found that women vaccinated with one dose of the human papillomavirus (HPV) vaccine had stable antibodies against HPV viruses in their blood for up to four years. The results challenge previous dogma on protein subunit vaccines requiring multiple doses for long-lived responses.
The study found that HPV vaccine initiation and completion rates were consistently lowest in the South, with 14% and 6% of women completing the series, respectively. The researchers believe regional disparities may be due to factors such as income, education, and insurance coverage.
A new DNA vaccine, p(Aβ3–10)10-C3d-p28, was developed to induce a Th2 immune response against amyloid-beta in Alzheimer's disease mice. The vaccine successfully elicited high titers of anti-amyloid-β antibodies and shifted the cellular immune response towards a Th2 phenotype.
Many parents believe the HPV vaccine is unnecessary or unsafe, which poses a barrier to its success. Experts argue that clinicians must engage with parents and address their concerns through open conversations and science-based information. Social media may also play a role in future HPV vaccination programs.
A new study published in Pediatrics found that widespread vaccination of adolescents for pertussis was linked to a modest reduction in infant hospitalizations. The research suggests increasing vaccination rates among teens and adults is crucial to stem the ongoing pertussis epidemic among infants.
A mass vaccination campaign of over 300,000 people in Guinea demonstrated the feasibility of using an oral cholera vaccine during a cholera outbreak. The campaign achieved high coverage rates and was well accepted by the local community.
A special issue of Preventive Medicine explores common misconceptions about the HPV vaccine, including concerns about sexual disinhibition and vaccine safety. Studies show that these fears are largely unfounded, and that the vaccine can help prevent cervical cancer and other HPV-associated cancers.
A clinical study published in The Lancet Infectious Diseases shows that an oral cholera vaccine (ShancholTM) provides sustained protection against cholera in humans for up to five years. This breakthrough finding has significant implications for vaccination strategies and cost-effectiveness in developing countries.