Not exact matches
Given questions about how long the
vaccine is
effective for, she questioned the efficacy of
giving shots to girls as young as 11 years old in parts of the world (such as the U.S.) where women regularly undergo safety Pap screening repeatedly over their lifetimes, saying that the chances of their contracting cervical cancer may be less than the «small» risks associated with the
vaccine.
«What that suggests is that this approach really
gives us broad spectrum protection, and could serve as a basis for an
effective pre-pandemic
vaccine.»
Remarkably, the researchers also found that blocking this protein in mice protected them from the lethal effects of dengue virus infection, an important finding
given that an
effective vaccine against dengue has remained elusive, partly because there are four serotypes of the virus that cause disease.
The concern was that researchers have tested other
vaccines given to children beforehand, to ensure that they're both safe and
effective, but the anthrax
vaccine never has been
given to children.
Understanding the body's immune response to a
given vaccine could help make better and more
effective vaccines in the future.
Vaccines that share common proteins can be less
effective when they are
given to children in combination, according to a report in this month's Infection and Immunity.
Adjuvants can stretch the amount of
vaccine made from a
given amount of viral protein and reduce the number of shots needed to trigger an
effective immune response.
Current
vaccines, which require experts to pick the flu strains that they believe are going to circulate in a
given year, are typically 40 to 70 percent
effective in the U.S., though in some years protection is as low as 20 percent.
Since 2000, however, an updated version of the Salk
vaccine, safer than the Sabin version, has been the only one
given in the U.S. to prevent polio: it is 99 percent
effective after three doses.
Unlike other candidates, a new potential Zika
vaccine is so
effective that one shot
gives enough protection — a key advance,
given the virus is here to stay
Compared to a bolus injection containing the same drugs and antigens (but no scaffold), the 3D
vaccine was more
effective at preventing tumor growth, with 90 % of mice receiving the 3D
vaccine still alive at 30 days compared with only 60 % of mice
given the bolus injection.
If it proves as
effective in people as it is in mice, a
vaccine could one day be
given to cancer patients after surgery, radiation therapy, or chemotherapy to prevent tumors from regrowing.
For example, in 2015, researchers realised that the HPV
vaccines being
given in the United States of America were less
effective in African American women.
Dr Gambhir said the team looked at whether a randomized control trial (RCT)-- where all people in the population have the same chance of being selected; or a stepped - wedge cluster trial design — which would
give vaccine to healthcare workers and eventually treat all of them — is most safe and
effective in evaluating a
vaccine.
The
vaccine, if
effective, would be
given in two doses, one to prime the immune system to recognize these dangerous invaders, and a booster shot of a different
vaccine that would amplify the immune response.
It would not be desirable in every case — antibodies are more important in fighting some infections than others — but it potentially
gives vaccine makers a new tool that could be used to make
vaccines more
effective.»
One of the pandemic influenza projects Susan focuses on is development of an
effective virus like particle (VLP)
vaccine given intradermally, using microneedle technology.
Elizabeth Jaffee, M.D., of Johns Hopkins University, presented evidence that
vaccines may prove most
effective when
given along with immune - modulating agents like anti-PD-1.
Rabies
vaccines are very
effective and are usually
given to kittens at three to four months of age.
A lot of research has shown these
vaccines are not that
effective, so do not be surprised if your veterinarian does not
give them.
Kennel cough
vaccine is typically
given every year and in most cases more than one dose will be needed for the vaccination to be entirely
effective.
The intranasal
vaccine (
given in the form of drops in the nose, as opposed to the traditional injectable vaccination) has proven to be the best the most
effective way to minimize your pets chances of developing kennel cough, as well as reduce the severity of symptoms if your dog does still contract the disease.
It should be noted that
giving vaccine more frequently than every 2 weeks will cause interference between the two
vaccines and neither can be expected to be
effective.
The effectiveness of the Parvo
vaccine has improved and is nearly 100 - percent
effective when
given according to the schedule above.
In fact, there has been little research to determine how long most of the
vaccines we
give our pets are
effective at preventing disease.
Several factors contribute to
effective immunization: the patient's age, health status, the type of
vaccine and how often it is
given, and others.
Vaccines are not 100 %
effective, but will
give your kitten a good degree of protection against feline leukemia, respiratory diseases, flu type viruses, feline panleukopenia, feline rabies and others.
Note that
vaccines should never be
given to a puppy with a fever or illness as the
vaccine will not be
effective and could actually make the puppy feel worse.
Vaccines need to be
given at certain ages and in specific intervals to be
effective.
The Canine Influenza
vaccine is
effective at preventing Canine Flu; it is
given as an initial 2 - shot series, then boostered annually.
In fact, viral
vaccines are so
effective that, when
given to a dog over four months of age, they've been scientifically proven to protect that dog for years, and most likely for life.
The
vaccine does not work if your dog is already exposed to the flu and must have a second booster one to two weeks after the first shot is
given before it becomes
effective.
But to be
effective, the
vaccine must be
given before this common virus infects the cat.
The least
effective is against feline rhinotracheitis — about 88 % of cats are protected by this
vaccine if it is
given before the cat is naturally exposed to the disease.
Although FeLV
vaccines are
effective, it is important to remember that they do not
give 100 % protection against infection in all cats.
Vaccines should be
given at least 3 weeks apart; there is little published research suggesting an outside limit, but at least a 4 - 8 week interval is probably safe and
effective.
In a parvo
vaccine trial conducted by Dr Ronald D Schultz, head of pathobiology at Wisconsin University, three out of six parvo
vaccine brands totally failed to
give protection; two
gave only partial protection; and only one was shown to be
effective.