Analyses of landmark RV144 HIV vaccine study volunteers revealed that those who developed a unique set of vaccine-induced antibodies in combination with a high level of CD4 T-cell responses to the outer portion of the HIV virus, called its envelope gene, correlated with reduced HIV infection.
Researchers at Duke Medicine have discovered that rhesus monkeys can, in fact, transmit Cytomegalovirus (CMV) across the placenta to their unborn offspring. This finding, reported online October 19 in the Proceedings of the National Academy of Sciences, establishes the first primate model that researchers can use to study mother-to-fetus CMV infections and spur development of potential vaccine approaches.
A joint study by UT Southwestern Medical Center and Parkland Health & Hospital System investigators found that a multicomponent outreach program increased completion of the three-dose human papillomavirus (HPV) vaccination series that reduces the risk of cervical cancer caused by the virus.
Scientists at the Tulane National Primate Research Center are leading efforts to find a new vaccine for tuberculosis, one of the world’s deadliest diseases.
Get your flu shot in October for best shot at protection and here's why, says Jorge Parada, MD, infectious disease, Loyola University Health System. Parada explains how the flu serum is formulated and why 2014 was a bad year for the flu.
Researchers found that flu immunizations with four times the strength of standard flu shots significantly reduced the risk of being hospitalized during the influenza season. The group that received the high dose vaccine had a 19.7 percent hospital admission rate versus 20.9 percent in admission for those who received the standard dose vaccine. The findings were presented as a late breaking research presentation on Oct. 10 at the Infectious Diseases Society of America meeting in San Diego.
Using a novel synthetic platform for creating vaccines originally developed in the laboratory of David Weiner, PhD, a professor of Pathology and Laboratory Medicine from the Perelman School of Medicine at the University of Pennsylvania, a team led by his colleagues at the Johns Hopkins University School of Medicine, has successfully eradicated precancerous cervical lesions in nearly half of the women who received the investigational vaccine in a clinical trial.
David Kimberlin, M.D., is the vice chair of Pediatrics, co-director of the Division of Pediatric Infectious Diseases at UAB and a physician at Children’s of Alabama. He is the editor of the American Academy of Pediatrics’ Red Book, which establishes which vaccines should be given, when and to whom. He is also the father of three children.
Every year at this time, we hear it's time to get the flu shot. After last year's vaccine missed the mark, how does the Center for Disease Control regain the public's confidence that their predictions will hold up this year? With the facts.
Scientists have used a genetically engineered vaccine to successfully eradicate high-grade precancerous cervical lesions in nearly one-half of women who received the vaccine in a clinical trial. The goal, say the scientists, was to find nonsurgical ways to treat precancerous lesions caused by HPV.
While babies are born with very little vitamin K, and the only way to sufficiently supplement it is through an injection soon after birth, some parents are shying away from the shots.
New research led by NYU Langone Medical Center has uncovered why a particular strain of Staphylococcus aureus -- known as HA-MRSA -- becomes more deadly than other variations. These new findings open up possible new pathways to vaccine development against this bacterium, which the Centers for Disease Control and Preventions says accounts for over 10,000 deaths annually, mostly among hospital patients.
Study will explore safety, ability of vaccine to generate immune response
An oral cholera vaccine that is in short supply could treat more people and save more lives in crisis situations, if one dose were dispensed instead of the recommended two, new Johns Hopkins Bloomberg School of Public Health research suggests.
Scientists from The Scripps Research Institute (TSRI) and the Janssen Pharmaceutical Companies of Johnson & Johnson (Janssen) have found a way to induce antibodies to fight a wide range of influenza subtypes—work that could one day eliminate the need for repeated seasonal flu shots.
Edward H. Egelman, PhD, of the University of Virginia School of Medicine, has used the Titan Krios microscope to determine the structure of the bamboo mosaic virus, a flexible filamentous virus that has eluded researchers for decades.
A novel synthetic DNA vaccine can, for the first time, induce protective immunity against the Middle East Respiratory Syndrome (MERS) coronavirus in animal species. The experimental, preventive vaccine, given six weeks before exposure to the MERS virus, was found to fully protect rhesus macaques from disease.
A new H1N1 vaccine is entering a definitive round of testing this month. Researchers hope to establish its ability to ward off the virus. If tests yield results as expected, hog farmers could begin using the new vaccine as early as the end of the year.
In a phase III trial reported in the August 2015 issue of Pediatrics, the new combination vaccine was determined to be effective, safe and well-tolerated.
Researchers have discovered a way to trigger a preventive response to a flu infection without any help from the usual players – the virus itself or interferon, a powerful infection fighter. The finding suggests that manipulating a natural process could someday be an alternative way to not just reduce flu severity, but prevent infection.
Johns Hopkins Bloomberg School of Public Health researchers say they have developed a method that could make a nasal spray flu vaccine effective for those under two and over 49 – two groups for which the vaccine is not approved.
Lax state vaccination laws contribute to lower immunization rates and increased outbreaks of preventable diseases—like whooping cough and measles—according to a new study from the University of Georgia.
When the European Medicines Agency recommended to approve what could be the world’s first licensed vaccine against malaria, it reflected the life’s work of Ruth and Victor Nussenzweig, whose research over the past half-century against malaria has brought them international acclaim – and which contributed greatly to this latest breakthrough.
Researchers have devised an entirely new approach to vaccines – creating immunity without vaccination. They demonstrated that animals injected with synthetic DNA engineered to encode a specific neutralizing antibody against the dengue virus were capable of producing the exact antibodies necessary to protect against disease, without the need for standard antigen-based vaccination. This approach, was rapid, protecting animals within a week of administration.
A vaccine containing virus-like nanoparticles, or microscopic, genetically engineered particles, is an effective treatment for respiratory syncytial virus (RSV), according to researchers at Georgia State University.
A recent HIV vaccine trial testing the HIV envelope as an immunogen was unsuccessful for protection against HIV infection. A new study has found that this vaccine selectively recruited antibodies reactive with both the HIV envelope and common intestinal microbes — a phenomenon previously reported by the same investigators to occur in the setting of acute HIV infection.
Doctors at Cincinnati Children’s Hospital Medical Center want to remind parents about the importance of immunizing their children when preparing to send their children back to school.
Immune cells that hang around after parasitic skin infection help ward off secondary attack. These skin squatters may prove to be the key to successful anti-parasite vaccines.
The Scripps Research Institute has been awarded two grants from the Bill & Melinda Gates Foundation totaling more than $4.5 million to fund new tools to collect and process high-resolution images of HIV proteins interacting with antibodies with goal to develop a vaccine against HIV/AIDS.
Under-vaccinated communities face heightened risk of measles outbreaks that can spread nationally within a year unless squelched quickly, but a vigorous vaccination response during a 2014 outbreak in North American Amish communities in Ohio prevented widespread transmission, according to a recent study published in the online version of Risk Analysis, a publication of the Society for Risk Analysis.
In a phase 2 trial that included nearly 1,000 adults, the AS03 and MF59 adjuvants (a component that improves immune response of inactivated influenza vaccines) increased the immune responses to two doses of an inactivated H7N9 influenza vaccine, with AS03-adjuvanted formulations inducing the highest amount of antibody response, according to a study in the July 21 issue of JAMA.
Children with cancer and their parents are finding hope in a Phase I research study led by Kenneth G. Lucas, M.D., at the University of Louisville, who is making progress in developing a vaccine that one day could possibly prevent recurrence of some childhood cancers.
An examination of state vaccination requirements for adolescents finds that the human papillomavirus (HPV) vaccine is currently required in only two states, many fewer than another vaccine associated with sexual transmission (hepatitis B) and another primarily recommended for adolescents (meningococcal conjugate), according to a study in the July 14 issue of JAMA.
Vanderbilt University Medical Center’s James Crowe, M.D., Ann Scott Carell Professor and director of the Vanderbilt Vaccine Center, and his team are reporting the first large panel of antibody treatments against the chikungunya virus in the current issue of Cell Host and Microbe.
Other topics include memories and protein, physics and gas mileage, agriculture and food safety, vaccine for Dengue, retinoblastoma proteins in cancer progression, and more.
Researchers at Vanderbilt University and the National University of Singapore have determined the structure of a human monoclonal antibody which, in an animal model, strongly neutralizes a type of the potentially lethal dengue virus.
Viruses like influenza have the ability to mutate over time, and given that the flu vaccines administered during the 2014-2015 season were largely ineffective at preventing the spread of the flu, it appears the virus that recently circulated had taken on mutations not accounted for when last year’s vaccine was developed. Now, researchers at The Wistar Institute identified specific mutations that influenza recently acquired to escape the current vaccine design.
Despite it being given as standard medical practice since then, vitamin K-deficient bleeding (VKDB) is being seen more often in newborns than it has in decades. Emergency department physicians at Nationwide Children’s Hospital have recently seen several cases of intracranial bleeding due to parental refusal of the neonatal vitamin K shot.
New research led by scientists at The Scripps Research Institute, International AIDS Vaccine Initiative and The Rockefeller University shows in mice that an experimental vaccine candidate designed at TSRI can stimulate the immune system activity necessary to stop HIV infection.
Trending news releases with the most views in a single day. Topics include: An anonymous donor for cancer research, solar storms and incidences of rheumatoid arthritis, vulnerabilities in genome’s ‘Dimmer Switches’, new treatments for Alzheimer's, How people make decisions for or against flu vaccinations.
Researchers from the Johns Hopkins Bloomberg School of Public Health have located a new – and likely more promising, they say – target for a potential vaccine against malaria, a mosquito-borne illness that kills as many as 750,000 people each year.
Convincing someone to receive the annual flu vaccine goes beyond clever messaging and well-written public service announcements, University of Georgia research finds. The study, led by UGA’s Glen Nowak, outlines both the barriers and facilitators that motivate people in their flu vaccine decisions.
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A research paper published in The Lancet Oncology showed that a single dose of the human papillomavirus vaccine Cervarix® may prevent HPV-related cervical cancer.
Following implementation of rotavirus vaccination in 2006, all-cause acute gastroenteritis hospitalization rates among U.S. children younger than 5 years of age declined by 31 percent - 55 percent in each of the post-vaccine years from 2008 through 2012, according to a study in the June 9 issue of JAMA.
In a scientific discovery that has significant implications for preventing HIV infections, researchers at Sanford-Burnham Medical Research Institute have identified a protein that could improve the body’s immune response to HIV vaccines and prevent transmission of the virus.
By comparing flu viruses to the virus that causes measles, researchers fine-tuned a tool that may enable faster vaccine design.
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