Use killed vaccines only.
Not exact matches
But because the components of
vaccines are weakened or
killed — and in some cases, only parts of the microorganism are
used — they're unlikely to cause any serious illness.
The funds will be
used to purchase qualifying
vaccines against pneumococcus, a pneumonia bug that
kills more children in poor countries than any other preventable infection
Before the pertussis
vaccine entered routine
use in the 1940s, the bacterial infection
killed about 4,000 people a year in the United States.
This study
used vaccines prepared from
killed viruses that are the basis of flu shots.
But the
vaccine has been known to cause occasional outbreaks, presumably because the procedure
used to
kill the virus is imperfect.
Instead, the
vaccines use killed autologous tumor cells from the patient to activate the immune system.
Two types of
vaccines were
used for the study: one constructed with genetically engineered DNA molecules that teach immune system cells to recognize premalignant cells expressing HPV16 E7 proteins, and one that is a non-infectious, engineered virus that targets and
kills precancerous cells marked by HPV16 and HPV18 E6 and E7 proteins.
According to Wilson, monoclonal antibodies from (deliberately infected) animals were routinely
used in the first half of the 20th century to try to treat diphtheria (an upper - respiratory illness that
killed roughly 15,000 people annually in the early 1920s until a
vaccine was formulated against it in 1924) and tetanus (a potentially fatal infection also known as lockjaw, because one of the muscles it destroys is in the jaw).
So Tesh first exposed hamsters to a broad range of flaviruses: dengue, the yellow fever
vaccine, St. Louis encephalitis, a live
vaccine against Japanese encephalitis (JE) that's
used in China, or a
killed JE
vaccine licensed in the United States.
Before pertussis
vaccines came into
use in the 1930s, the infection
killed about 4,000 Americans (mostly infants) a year — 10 times as many as the number of people who died annually from measles and 12 times more than died from smallpox.
«To take children who are in need of
vaccines to prevent some disease that could
kill them and
use that as a front for something else is unconscionable,» says Paul Offit, chief of the Division of Infectious Diseases and the director of the
Vaccine Education Center at Children's Hospital of Philadelphia.
Instead of a liquid containing whole
killed or attenuated virus, this
vaccine uses dry virus - like particles (VLPs) which simply coat the needles in the presence of a simple stabilizing agent, reducing the need for refrigeration — a potential boon for
use in developing countries.
Now researchers have
used a new strategy to develop a
vaccine that protects mice from multiple variants of the Strep B bug, which
kills around 100 newborns in the United States each year.
GLS - 5700, which was designed and tested in seven months, differs from conventional
vaccines, which typically
use inactivated or
killed versions of a virus and can take years to develop and test.
The nanoparticle
vaccine platform can be safer to certain populations than
vaccines that
use either live or
killed virus, he said.
«The promising results show that personalised cancer
vaccines designed to treat skin cancer are safe to
use, and that for some patients, they can successfully harness the power of the body's own immune system to
kill cancer cells,» Pickworth added.
Rather than
using a
killed or attenuated virus to develop a
vaccine for dengue, de Silva's lab is focusing on «expressing the E protein and attaching it to nanoparticles to induce good immune responses,» Metz said.
What about the cases in which an exterior circumstance such as trauma in late pregnancy leading to premature birth with all the developmental issues those extra fragile babies have, trauma during delivery including the
use of forceps or vacuums, or even
vaccines post birth that can cause «severe abnormalities» does the same «option» stand - to
kill a life or not?
A
vaccine of either a live virus or
killed virus is
used to trigger a response from the immune system.
It is also associated with more
vaccine reactions since more stabilizing chemicals are
used in a
killed vaccine.
It is also associated with more
vaccine reactions (since more stabilizing chemicals are
used in a
killed vaccine).
Vaccination for distemper is also complicated by the fact that regardless of whether a
killed or live
vaccine is
used, a puppy can not develop an immune response if the antibodies to distemper were absorbed from colostrum.
• Avoid any tick - infested areas • Groom your dog daily •
Use an appropriate collar that can repel ticks • Apply a spot - on topical product to
kill and repel ticks • Talk to your veterinarian about a
vaccine that is right for your dog
This can be done by presenting the immune system with weakened germs (polio in people, distemper in dogs),
killed or inactivated germs (rabies for dogs, horses, and people, some Lyme disease
vaccines for dogs); parts of germs (newer Lyme
vaccines for dogs and Rabies
vaccines for cats); or similar germs (early
use of cowpox to prevent smallpox in people, measles
vaccine to prevent distemper in dogs).
Ringworm and chlamydia
vaccines introduced for
use in cats are advertised as having the safety advantage of a
killed product (Dodds, 1997).
There is a new dental
vaccine known as the porphyry monas
vaccine, which is
used to
kill off certain types of bacteria that cause the dental diseases in dogs.
It is very significant that in 1985 a change in legislation in the United States occurerd, requiring the
use of
killed vaccine rather than modified live rabies
vaccine in cats.
For the
killed rabies
vaccines, a booster is required at one year, and thereafter, rabies vaccination should be performed every 3 years
using a
vaccine approved for 3 - year administration.
Killed and intranasal varieties of these
vaccines are not routinely
used at the VMTH, but there may be some advantages to the
use of non-adjuvanted
vaccines that that include two inactivated FCV strains over those that contain one strain.
Puppies are usually given
killed rabies
vaccine, which
uses a dead virus, when they're between 16 weeks and 4 months of age.
This
vaccine is known as IMRAB - 3 and is a
killed virus
vaccine also approved for
use in dogs and cats.
Killed vaccines are preferred for
use in pregnant cats (and only if absolutely necessary) and in FeLV and / or FIV infected cats, especially those showing evidence of immunosuppression.
However, some diseases are too dangerous to allow to replicate, or for some other reason the organism (whether virus, bacteria, or other parasite) must be
killed to
use in a
vaccine.
Veterinarians now
use a
killed version of the
vaccine that doesn't result in these issues.
There are three types of Lyme disease
vaccine, Fort Dodge's
vaccine, which introduces dead bacteria that may help increase antibodies; Intervet - Schering - Plough's
vaccine, which blocks the protein
used to transfer the disease; and Merial's
vaccine, which blocks the protein and
kills the bacteria.