Efficacy against malaria infection of PfSPZ Vaccine administered to infants 5 - 12 months of age in 3 doses by passive and active surveillance for naturally acquired Pf infection, measured by blood smear microscopy, during 6 months following
the last vaccine dose.
Not exact matches
An interdisciplinary team from The University of Texas Medical Branch at Galveston and Profectus BioSciences, Inc. has developed a quick - acting
vaccine that is both safe and effective with a single
dose against the Ebola strain that killed thousands of people in West Africa
last year.
In nearly all individuals immunized with the investigative
vaccine, ZPIV produced neutralizing antibody responses at two or four weeks after the
last dose.
Such a discrepancy exists because for the
last three decades the global health community — governments, international organisations and aid agencies — have used just one or two «tracer»
vaccines to measure immunisation coverage, usually the third
dose of DTP or sometimes the first
dose of measles.
Protection declines steadily after the
vaccine's
last dose.
Most
vaccines are administered in multiple
doses to promote robust, long -
lasting protection; however, such a schedule can be inconvenient, or even prohibitive, for individuals without easy access to health care.
University of Tübingen researchers in collaboration with the biotech company Sanaria Inc. have demonstrated in a clinical trial that a new
vaccine for malaria called Sanaria ® PfSPZ - CVac has been up to 100 percent effective when assessed at 10 weeks after
last dose of
vaccine.
Right now it takes a year to make 50 million
doses of flu
vaccine, so you only get vaccinated against
last year's flu.
Your vet can also do a titers test on your dog for certain
vaccines to determine if he still has protection from his
last vaccination; he won't need another
dose until that protection is no longer effective.
Most
vaccine protocols call for at least two
doses of
vaccine to be given 2 - 4 weeks apart with the
last dose being received at or after age 14 weeks.
Further, the
vaccine is so effective that even one
dose can provide long
lasting protection.
On completion of the puppy core vaccination series with the
last dose given at 14 - 16 wk of age, a dog can be expected to have an antibody titer or positive test result, regardless of the serologic test performed, provided the serum sample is collected > 2 wks after the
last dose of
vaccine.»
Most
vaccine protocols call for at least two
doses of
vaccine to be given two to four weeks apart with the
last dose received at or after age 14 weeks.
Furthermore, the
vaccine is so effective that even one
dose can provide long -
lasting protection.
«Only one
dose of the modified - live canine CORE
vaccine, when administered at 16 weeks or older, will provide long
lasting (many years to a lifetime) immunity in a very high percentage of animals.»
Second, particularly with killed
vaccines, the first
dose is a priming
dose, and the second
dose boosts the response to a higher, longer -
lasting level of immunity.