Child and Family Canada


Common Questions and Answers About Vaccines



Questions

(To view the answers, press on the corresponding question number)

Why do some children still get measles after they've been vaccinated?

If the first dose of measles vaccine doesn't work, won't a second dose also fail?

How can immunization, which is artificial, be as good as immunity resulting from natural infection?

Does immunity wear off over time?

Won't adults be at risk of catching these infections if immunity wears off?

Is there a risk of catching the illness from the vaccine itself?

What about the risk of side effects from the vaccine?

Can vaccines cause seizures?

Can vaccines cause brain damage?

Can vaccination cause cancer?

Can vaccines cause multiple sclerosis, chronic fatigue syndrome or Crohn's disease?

Can immunization cause SIDS?

Can vaccines "wear out" the immune system?

Why do vaccines contain formaldehyde, aluminum, mercury and other toxic chemicals?

Do vaccines contain blood, serum, animal tissue or fetal tissue?

Don't some vaccines contain brain tissue, which can cause mad cow disease?

Why do chiropractors and homeopaths advise against vaccination?

Won't breastfeeding and good nutrition prevent these childhood infections?

Aren't the only children who die of these infections suffering from malnutrition or defects of the immune system?

Don't infections like measles stimulate the immune system and lead to better overall health?

Is vaccination safer when my child is older rather than at 2 months of age?

Who should not be vaccinated?

When should vaccination be delayed?

What conditions are not reasons to delay vaccination?


This document was published by the Canadian Paediatric society, 1997.
Posted by the Canadian Paediatric Society, July 1997.


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