Quote:
Originally Posted by heathergirl67 
So then wouldn't your answer be: a double-blind long term study?
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It is my understanding that a randomised double blind control trial would be pretty useless over the long term. Too many variables introduced over the years. And, no one would agree to randomised vaccination. I would not let my child be exposed to the vaccines, and there are parents who would not let their child *not* be exposed. So that is not going to happen. (although maybe in Africa, unethical studies seem to be OK there

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I would be interested in a case control study comparing vaxed on schedule to completely unvaxed children.
I do not think ONE study is going to 'prove' anything. It's a matter of the weight of evidence lying on one direction of another. Today, if one study did show vaccines unfavourably, it would only be one study in a sea of studies that have concluded that vaccines are safe (whether the question asked was relevant, the method sound etc or not). No study is 'perfect', and every study will have people who accept the results and those who don't. Sometimes on scientific merit(or lack of it), and sometimes for political reasons.
It seems when it comes to vaccines it's much more about the politics and not really about the science. I have seen very eloquent critisism of studies that might highlight problems with the vaccine schedule. And somehow the ability to criticize studies that are favourable to vaccines does not happen. There with no analysis of the methodology and the results are accepted and promoted. I have seen this time and time again.
The message is more important that the science. I know that even the most provaccine person who has an understanding of science can tear apart a study that they do not like, and accept a study that scientifically is very weak. So long as the mantra that vaccines are safe and effective and the the most effective public health tool is not disturbed.
So, I am not waiting for ONE study to convince me that vaccines are safe. I am waiting for more studies to compare unvaccinated and vaccinated on schedule children. I will be looking at where the evidence lies over time. I do not expect to be reassured on the safety of vaccines while my children are children.
And a case control study would certainly be a good tool for studying the long term effects. The same kind of study design that found DES to be causing cancer in some women.