«We estimated that
vaccine protection wanes over time, but slowly, with about 85 percent of children still protected 10 years after vaccination,» said Domenech de Cellès.
Not exact matches
The
vaccine might be failing to protect certain individuals, the
vaccine's
protection might be
waning over time, or it might be providing imperfect
protection as the pertussis bacteria has evolved.
A resurgence in whooping cough cases in the U.S. is likely due to incomplete
vaccine coverage in the past combined with
waning protection from the
vaccine, according to a new study published in the March 28 issue of Science Translational Medicine.
Kids typically finish their initial
vaccine series between ages 4 and 6, and the results suggested that
protection starts to
wane three years later — a big problem, considering that they don't get another shot until they're 11 or 12.
This helped doctors determine how much the
vaccine prepared participants» immune systems for the flu virus and also how much that
protection waned by the end of the flu season.
Final trial results published in April showed about one - third fewer episodes of clinical and severe malaria in young children who received three
vaccine doses and a booster, with
protection waning over time.
As that
protection wanes,
vaccines are given to stimulate active immunity to protect from disease.
Second, our response to the claim that ferrets who have received these
vaccines in the past do not need them again is that studies have shown that any immune system
protection (antibodies) that ferrets develop after initially getting these
vaccines actually
wanes over time, so that they are no longer protected.
This will have
waned by age 16 weeks leaving the puppy vulnerable if
vaccines have not been administered for further
protection.
Because this
vaccine's
protection wanes after five years, the Center... Read More»