They stimulate the immune system, white blood cells that fight infections by giving something that looks similar to the disease,
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England and Sweden stopped vaccinating against pertussis because they didn't have much whooping cough. Within three years both countries had high cases of pertussis highest that they've ever been.Dennis Cunningham
We have a new vaccine against diphtheria, tetanus and pertussis. It's called Boostrix and it is licensed for kids 11 to 18 years of age.
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He's not afraid to walk around and talk to the staff. He doesn't take a stay-in-the-office approach. He doesn't look for ways to disguise or minimize a problem. He tries to get to the bottom of it.
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Based on Topics: Medicine & Medical QuotesMan is too quick at forming conclusions.
Edward E. Barnard
You have to keep running. I always believed I was going to be safe.
Rickey Henderson
We are born weak, we need strength; helpless, we need aid; foolish, we need reason. All that we lack at birth, all that we need when we come to man's estate, is the gift of education.
Jean Jacques Rousseau