Sentences with phrase «vaccine protection wanes»

«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»
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