Articles tagged with Vaccination
A UK measles expert warns that major epidemics are likely to occur in the country this winter if vaccination rates do not improve rapidly. The Lancet publication cites unequivocal evidence supporting the safety of the MMR vaccine and highlights the risks associated with unvaccinated children.
Researchers at the US Army Medical Research Institute of Infectious Diseases have developed a hantavirus vaccine that elicited a potent neutralizing antibody response in rhesus macaques. The vaccine, which uses a naked DNA approach, also provided protection against hamster infection when administered after exposure.
A breakthrough discovery has been made by McMaster University researchers, who have cloned the gene that marks an important nuclear protein of the SARS virus. The team plans to test their newly engineered adenovirus vector in animals for protective effects against the deadly disease.
Researchers have developed a modified smallpox vaccine that is expected to be identical in effectiveness to the current vaccine but treatable for rare complications. The new vaccine will use genes to make the virus susceptible to common drugs, allowing doctors to effectively treat severe reactions.
Hepatitis A vaccine boosters are unnecessary for healthy individuals, according to a meeting of experts; protective antibody amounts persist beyond 10 years after primary vaccination. Further investigations are needed for special patient groups.
A study by the World Health Organization found that officially reported global vaccination coverage rates are higher than actual rates, highlighting issues with data quality. The investigation compared national data with a 'gold standard' household survey method in 45 countries between 1990 and 2000.
A new HPV vaccine targeting high-risk types could prevent up to 84% of cervical cancer cases. Testing a cocktail of these virus types could provide sufficient guidance for clinical decisions and future screening programmes.
Researchers have made significant progress towards a vaccine for pancreatic cancer, with one patient out of ten remaining disease-free after five years and two others surviving over two years. While the study's findings are promising, caution is advised due to the small sample size and potential biases in the selection process.
Researchers at Dana-Farber and other Harvard-affiliated hospitals will study the human immune system's response to the vaccinia virus and other related viruses. The goal is to develop effective alternatives with fewer risks, addressing concerns about the current vaccine's complications in people with weakened immune systems.
The Emory-led consortium aims to study the entire range of human immune responses, from laboratory to clinic, to develop new vaccines addressing emerging infections and biothreats. Scientists will use genomics and proteomics to analyze vaccine-induced innate and adaptive immune responses.
Studies presented at ICAAC reveal significant clinical outcomes, resource utilization, and infection-associated costs of Staph aureus bacteremia among hemodialysis-dependent patients. The infections are associated with substantial morbidity and mortality, underscoring the need for a vaccine to prevent these infections.
The NIH has awarded $85 million to five cooperative centers for translational research on human immunology and biodefense. Researchers will develop new ways to analyze immune cells and use imaging technologies to study vaccine responses, aiming to strengthen the immune system against diseases.
Afghanistan's Ministry of Health has made significant strides in healthcare delivery and policy planning, achieving 94% national coverage in measles vaccination. The country's example is seen as a potential blueprint for post-conflict reconstruction in other nations.
A study found that organ-transplant patients are particularly vulnerable to measles due to their compromised immune systems. Low MMR vaccine uptake in southeast London poses a significant threat to these individuals, highlighting the need for increased awareness and vigilance.
A new vaccine has shown promise in stimulating a powerful immune response against melanoma tumors, with 10 patients still alive three years after treatment and no signs of disease in four cases. The vaccine, made using a weakened cold virus, was safe and relatively easy to produce, with minimal side effects.
A new study finds that nearly 1 in 3 doctors hesitate to administer the Prevnar vaccine due to its high cost, especially among those with many uninsured patients. The vaccine protects against bacterial meningitis and other diseases, but its expense creates obstacles for families without insurance coverage.
Researchers discovered that repeated vaccinations provide short-term immunity boosts but do not sustain higher protection levels. Long-term antibody immunity can last throughout a person's lifetime, while T-cell immunity declines slowly over time.
The American College of Preventive Medicine recommends prioritizing research on improving vaccine delivery and funding for immunization programs. All children and adolescents without contraindications should receive immunizations against 11 diseases, according to ACPM's recommendations.
A recent study reports a correlation between declining vaccinations and increasing measles outbreak sizes in the UK. The reproductive number, measuring the spreadability of measles, has increased to approach endemic disease levels.
A new study published in The Lancet found that the meningococcal C conjugate vaccine (MCCV) may increase relapse rates of nephrotic syndrome in children with kidney disease. The vaccine was introduced to all UK children under 18 years old in 1999, but subsequent monitoring revealed a 30% increase in relapses post-vaccination.
Research suggests that cervical cancer vaccines may be less effective in women who are ovulating, due to fluctuations in antibody levels triggered by sex hormones. The study found higher antibody levels during the proliferative phase and lower levels around ovulation.
Researchers found that adults who received smallpox vaccinations as children showed fewer adverse reactions to diluted vaccine doses compared to those who never received the vaccine. The study's results have implications for potential future biological attacks and suggest that vaccine stocks may be more sustainable.
Researchers at Vanderbilt University Medical Center found that a generalized rash on some smallpox vaccine recipients was not due to the virus, but rather a benign reaction called folliculitis. The study aimed to clarify this previously unwell-documented phenomenon and reassure physicians about accurate diagnosis.
A new study suggests that pneumococcal vaccination can save medical costs for individuals aged 50 to 64, particularly those at high risk of pneumococcal disease. The cost-effectiveness of vaccination is comparable to other preventive services in this age group.
A phase II study of a multiepitope CD8 T-cell vaccine has demonstrated promising results, inducing an immune response in 32% of patients with metastatic melanoma. The vaccine showed significant correlations with non-progression of disease and longer survival rates.
Researchers found that CEM15 renders HIV dead by altering DNA, causing mutations and preventing replication. The virus can subvert this system, enabling it to make numerous mutations and evade the host's defense.
The VA health system saw significant improvement in quality-of-care indicators after implementing reforms, including electronic medical records and accountability measures. The system outperformed Medicare on many measures, making it an excellent model for healthcare organizations to adopt.
Researchers found that smallpox vaccine-induced antibody immunity can last a person's entire life, while T-cell immunity declines slowly over time. The study also showed that repeated vaccinations have little impact on immunity levels.
Researchers have created a new vaccine that stimulates the immune system to clear nicotine from the body, potentially aiding in smoking cessation. The vaccine induces antibodies that can neutralize nicotine before it reaches the brain.
A recent survey found that the public was misled by the media's coverage of the MMR controversy, with 53% assuming there was equal evidence for both sides. The study also revealed that journalists struggled to balance competing views on issues like climate change and genetics.
Virus researchers discovered a critical role of Z-DNA in pox virus lethality, leading to potential development of anti-viral compounds effective against smallpox. The findings may also shed light on the regulation of transcription and cellular responses to viral infections.
Researchers found nearly half of British public disagree with media coverage of MMR vaccine concerns, emphasizing the importance of balanced reporting. The study also highlights the need for journalists to approach minority voices within science with caution, particularly when dealing with alarming research.
Researchers discovered that 29% of individuals were completely resistant to the Norwalk virus, with those lacking the FUT2 gene showing no signs of infection. The study suggests that vaccination may be effective in reducing disease burden and offers new hope for developing vaccines.
Researchers at UCSD School of Medicine have demonstrated that pneumococcal vaccination can reduce the extent of atherosclerosis by 21 percent in laboratory mice. This breakthrough provides insight into the biological role of immune responses and offers potential therapeutic interventions for this complex disease.
A recent study found that people with atopic dermatitis or eczema, and their household contacts, are at increased risk of complications from smallpox vaccination. The study suggests that the screening process may not be effective in identifying individuals who should not receive the vaccine.
Scientists at University of Maryland Biotechnology Institute developed a new vaccine using recombinant DNA technology to protect fish against infectious pancreatic necrosis virus. The vaccine, composed of hollow virus-like particles, demonstrates a resistance potential against the disease and has shown promising results in experiments.
A mathematical model developed by Don Klinkenberg suggests that partial vaccinations can effectively control the spread of swine fever. The model indicates that vaccination reduces the spread of the virus but does not completely prevent it, allowing for epidemic persistence for several months.
Researchers at Memorial Sloan-Kettering Cancer Center have developed a DNA-based vaccine that triples the survival rate for dogs with advanced melanoma. The vaccine, tested in nine dogs with no side effects, shows promise for treating this aggressive cancer in humans.
A phase I clinical trial found that antibody therapy increased the effectiveness of cancer vaccines in patients with metastatic melanoma and ovarian cancer. The treatment, which blocks CTLA-4, elicited a potent immune response and killed cancer cells.
A Danish study found that individuals exposed to contaminated poliovirus vaccine had no increased risk of cancer compared to those not exposed. The findings contradict previous laboratory and epidemiologic evidence suggesting a link between SV40 contamination and human cancer.
A phase I clinical trial of cytotoxic T-lymphocyte-associated antigen 4 blockade therapy has shown promising results in boosting the immune system against cancer. The treatment enhanced the anti-tumor activity of certain vaccines and improved responses in patients with melanoma and ovarian cancer.
Researchers at University of California - San Diego develop new compound cidofovir analogs to treat poxvirus infections, showing effectiveness in preventing death and maintaining efficacy when given prior or after infection. The study found two compounds, HDP-CDV and ODE-CDV, to be most effective against lethal cowpox infection.
Researchers developed a method using bacteriophages to deliver vaccine components, offering advantages over traditional naked DNA vaccines. The technique has significant production and storage benefits, making it an attractive solution for addressing sudden vaccine demands.
Researchers genetically engineered tobacco mosaic virus to instruct spinach plants to manufacture protective antigen fragments, which can be easily purified and used in a vaccine. The resulting subunit vaccine has shown promise as a more efficacious and safer alternative to existing anthrax vaccines.
Scientific studies have found no link between vaccines and chronic diseases such as asthma and food allergies. Reducing vaccination rates can lead to increased rates of preventable infectious diseases, according to the article co-authored by Dr. Paul Offit.
Researchers have made a significant breakthrough in developing a cancer vaccine by attaching tumor material to antibodies, inducing an immune response against cancer in animal experiments. The vaccine's effectiveness may also be applied to other diseases such as arthritis and whooping cough.
The Lancet discusses the conflict between scientific openness and global security concerns, highlighting the need for defensive biological research to prevent the spread of knowledge and dangerous materials. Pneumococcal vaccines are also reviewed, showing varying effectiveness in developed countries.
AVANT Immunotherapeutics awarded subcontract to develop oral combination vaccine against anthrax and plague using proprietary technologies. The vaccine aims to offer rapid, effective protection from multiple biological agents with a single dose, eliminating the need for protracted dosing regimens.
Smallpox experts suggest limiting vaccinations to first responders to prevent complications and ensure public safety. The authors cite studies from the 1960s documenting vaccine-related complications, including spread to close contacts and increased risk of morbidity and mortality.
A study found that injecting beta-amyloid binding agents into the bloodstream reduced brain plaques and amyloid protein levels in mice with Alzheimer's disease. The researchers suggest this approach as an initial step towards developing targeted drugs with fewer side effects.
A study found no significant association between exposure to contaminated poliovirus vaccine and the incidence of pleural mesothelioma, a rare lung cancer. Incidence rates increased among older males, but remained stable or decreased in younger age groups.
A new study has found that chicken pox vaccine is safe and effective for children with chronic kidney disease. The study shows that vaccination can prevent severe complications such as pneumonia and brain inflammation in these patients.
A study analyzing Boston smallpox case records found that young patients, those unvaccinated, and those with severe disease had the lowest survival rates. In contrast, a college student study on echinacea found no effect on cold symptoms, highlighting the need for more research into its efficacy.
A large clinical trial will be conducted at 16 US sites, with Saint Louis University leading as the national coordinating site. The study aims to prevent genital herpes in women using an investigational vaccine.
Researchers have developed a new vaccine that amplifies the production of beneficial antibodies to combat IP-10, a protein responsible for autoimmune disease progression. The vaccine rapidly suppressed experimentally induced rheumatoid arthritis and MS, offering potential relief for millions.
Ethiopian wolf populations are threatened by rabies, which spreads rapidly among packs. Vaccinating surrounding dogs is a costly and difficult option, but researchers found vaccinating wolves themselves could increase survival rates. Developing an oral rabies vaccine for wolves may be a more effective solution.
A study by Cardiff University found that the British public is strong on opinions about scientific issues like climate change and biotechnology but weak on actual knowledge. The survey revealed that people's trust in sources like scientists and media outlets is low, suggesting a need for more effective communication strategies.
UT Southwestern researchers have developed a vaccine against the deadly bioterrorism toxin ricin, which can be administered in foods and water or sprayed as an aerosol. The new vaccine has shown protective effects in mice and is believed to be safe and effective in humans.
HPV vaccination has shown high safety and efficacy, inducing high antibody titers against papillomaviruses. Hepatitis B vaccination is also highly effective in preventing chronic infection, with a 95% effectiveness rate in children.
Researchers discovered that an inactivated chickenpox vaccine may prevent healthy elderly people from developing shingles and protect transplant recipients against viruses and bacteria. The vaccine boosted memory T cells to mount an attack during the transplant and recovery, reducing shingle risk.