This insight may help us improve
vaccine responses in the elderly — a group at particular risk of diseases including influenza — by pre-treatment with anti-inflammatory agents.»
«There is a critical public health need to translate these findings to humans and understand
vaccine response in this growing segment of the population,» Schultz - Cherry said.
Not exact matches
Communicable Childhood Diseases Antibody
response to oral and parenteral
vaccines are higher
in the breastfed infant.
In some cases, the doctor will advise a blood test for your baby around two months after the vaccination to assess their body's
response to a particular
vaccine.
5Zika
vaccine: Florida Gov. Rick Scott, who has been highly critical of the federal
response to the outbreak of the Zika virus, used his emergency powers Thursday to direct $ 25 million
in state money toward helping to develop a
vaccine.
The University of California, Los Angeles — led group reported
in this week's Science that they may have created the «Goldilocks» of flu
vaccines — one that manages to trigger a very strong immune
response without making infected animals sick.
«HIV - 1 viruses transmitted at birth are resistant to antibodies
in mother's blood: New research supports creation of
vaccine to boost mother's immune
response to HIV - 1 before delivery.»
But during her 2008 presidential run,
in response to an autism advocacy group's questions, she cited
vaccines as one possible environmental cause of autism, despite widespread scientific agreement that
vaccines don't cause autism.
When injected into the skin of six rhesus macaque monkeys, the
vaccine prompted an immune
response that blocked the proteins from popping up
in the brain.
In the case of
vaccines, that emotional
response probably stems from many things, Mnookin says, including frustration with our lack of personalized health care, a general distrust of large corporations and of big pharma specifically, distrust that isn't necessarily misplaced.
People using the patch had a similar immune
response to the flu
vaccine as those who received a typical flu shot, researchers report online June 27
in the Lancet.
A new study shows pregnant women who get flu shots regularly have a weaker peak antibody
response to the
vaccine than women who don't get them regularly, though mothers and their babies
in both groups were well - protected at the time of delivery.
But the Yemeni government, with the help of a Saudi - led coalition, is battling Shiite Houthi rebels backed by Iran and there were concerns over whether the
vaccine could be used effectively as battles raged
in parts of the country, and whether administering it might distract health workers from treating patients, a cornerstone of epidemic
response.
It was meant to boost immune
responses in infants already primed by the BCG
vaccine.
Recombinant
vaccines rely on one or more antigens — proteins associated with the target bacterium — that boost an immune
response;
in this case Mycobacterium tuberculosis, which causes TB.
Sex differences
in immune
response could have real consequences when it comes to
vaccine choice, Upham says.
This is because of a
vaccine stockpile set up
in response to the cholera that struck Haiti after an earthquake
in 2010 — cholera carried there, ironically, by Nepalese peacekeepers.
In 2003, the government approved use of an injectable vaccine only in response to outbreak
In 2003, the government approved use of an injectable
vaccine only
in response to outbreak
in response to outbreaks.
An injection of synthesized rabies antibodies — or immunoglobulin — is administered to help patients combat the virus while their immune system creates antibodies
in response to the
vaccine.
«Our ability to control these reactions and use them to form a
response to the
vaccine will be critical
in designing the next generation of
vaccines,» Kemble says.
In response to the Ebola Zaire outbreak, several of these
vaccines have been fast tracked for human use.
The
vaccine relies on the rabies virus to deliver Ebola proteins that elicit an immune
response in chimps, but it hasn't been tested
in the field yet.
There he worked on anticancer
vaccines, identifying drug targets, preparing
vaccine formulations, and testing cellular
responses in vaccinated patients.
«This particular
vaccine approach didn't work, but there are lots of different
vaccine approaches
in testing that produce different immune
responses,» Buchbinder says.
«Understanding the host
response will be a critical area
in vaccine research,» says George Kemble, vice president of research and development for MedImmune
Vaccines, recently purchased by AstraZeneca.
This synthetic
vaccine will hopefully trigger
in recipients an antibody
response that will help fight off any Zika virus it encounters.
Trevor Mundel, president of global health at the Gates Foundation, talks to Scientific American editor -
in - chief Mariette DiChristina about the Coalition for Epidemic Preparedness Innovations (CEPI) and the efforts to create
vaccine platforms for rapid
responses to epidemics.
In collaboration with many researchers (graduate students, postdocs, and faculty elsewhere), we have examined the role of cross-immunity on the evolution and dynamics of influenza; the impact of behavioral changes, long periods of infectiousness, variable infectivity, co-infections, prostitution, social networks, and
vaccine efficacy on HIV dynamics; the role of exogenous re-infection, variable progression rates, vaccination, public transportation, close and casual contacts on tuberculosis dynamics and control; the impact of life - history vector dynamics on dengue epidemics; and on the identification of time -
response scales for epidemics of foot and mouth disease.
Essentially, he's looking for immune cells with barcodes that proliferate
in individuals with a good
response, as opposed to those
in whom the
vaccine is ineffective.
Understanding the body's immune
response to a given
vaccine could help make better and more effective
vaccines in the future.
One reason
vaccines using weakened flu virus are not used
in the elderly is that they have been exposed to many strains of flu virus over the years and have more antibodies
in the nasal tract, which can inhibit the weakened flu virus from infecting and stimulating the immune
response necessary to protect against the virus.
But those
vaccines are far from perfect: They don't always exactly match the viruses actually going around, and
in some people, the shots fail to trigger a vigorous immune
response.
A team led by Ron Dagan, a pediatric infectious disease specialist at Soroka University Medical Center
in Beer - Sheva, Israel, wanted to know if a new pneumococcal
vaccine based on tetanus toxoid would change infants» immune
responses to the standard regimen of
vaccines, including those for diphtheria, tetanus, pertussis (DTP), and Haemophilus influenzae type B, which protects against meningitis.
The company's
vaccine approach
in both cases is to use viruslike particles (VLPs) containing surface proteins that make the VLPs resemble a virus, thereby eliciting the proper immune
response — even though the VLPs lack the genes needed to replicate themselves.
«These results imply that, of the options currently available utilizing adjuvants included
in the national stockpile, based on the immune
response data, AS03 should be considered a first - line adjuvant for strategies incorporating an inactivated H7N9
vaccine in adults,» the authors write.
Back to the future: Immunization with M - 001 prior to trivalent influenza
vaccine in 2011/12 enhanced protective immune
responses against 2014/15 epidemic strain.
Writing
in February
in Vaccine, the researchers reported that the stored serum of elderly volunteers who received the vaccine in 2011 showed an immune response to new strains of flu that were circulating three years
Vaccine, the researchers reported that the stored serum of elderly volunteers who received the
vaccine in 2011 showed an immune response to new strains of flu that were circulating three years
vaccine in 2011 showed an immune
response to new strains of flu that were circulating three years later.
The ZPIV
vaccine candidate was developed by WRAIR as part of the US Department of Defense
response to the 2015 - 2016 outbreak of Zika virus
in the Americas, and it was advanced to a Phase 1 trial
in November 2016.
Working with the Tulane National Primate Center
in Louisiana, Friedman and his group showed that the trivalent
vaccine — given three times at monthly intervals — induced a strong immune
response in macaque monkeys, whose immune system closely resembles the human version.
The personalized
vaccine is made from patients» own immune cells, which are exposed
in the laboratory to the contents of the patients» tumor cells, and then injected into the patients to initiate a wider immune
response.
The
vaccine also induced a sharp rise
in CD4 T - cells, whose job is to mobilize the antibody
response and other immune elements against viral infections.
In nearly all individuals immunized with the investigative
vaccine, ZPIV produced neutralizing antibody
responses at two or four weeks after the last dose.
«Personalized tumor
vaccine shows promise in pilot trial: Vaccine against patients» own tumors triggers a broad response, and induced five - year remission in one patient with advanced ovarian cancer.
vaccine shows promise
in pilot trial:
Vaccine against patients» own tumors triggers a broad response, and induced five - year remission in one patient with advanced ovarian cancer.
Vaccine against patients» own tumors triggers a broad
response, and induced five - year remission
in one patient with advanced ovarian cancer.»
All studies showed the addition of the B strain improved the antibody
response to that strain and didn't weaken the body's immune
response to other flu strains
in the
vaccine.
With no head
in place to hoard the immune
response, the
vaccine might coax the body to make enough stem - focused antibodies to protect against flu, the researchers hoped, regardless of the seasonal mutations occurring at the top.
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 JAM
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 JAM
in the July 21 issue of JAMA.
Maternal immunization is one way to help protect them because the antibodies that the mom generates
in response to the
vaccine can be passed to her unborn child.
«We are pleased to have demonstrated such a potent and durable immune
response to the
vaccine,» said the study's lead author, Sita Awasthi, PhD, a research associate professor of Infectious Diseases at Penn. «If found effective
in clinical trials, the
vaccine will have a huge impact on reducing the overall prevalence of genital herpes infections and could reduce new HIV infections as well, especially
in high - burden regions of sub-Saharan Africa.»
The
responses of those given the quadrivalent
vaccine were the same as those of volunteers who received the
vaccine with two strains of A and the strain of B that matched the B strain
in the 2012 - 2013 seasonal flu trivalent
vaccine.
It is designed to learn more about the immune
responses to the
vaccine in different populations.