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By (user no longer on site) OP
over a year ago
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They've developed a vaccine that lessens the risk of getting Aids by a third.
While this is great news,they say a vaccine can't be used as such untill it has a preventative rate of 70-80%.
Still good news though.
However,they did trials on over 16,000 volunteers.
Some used placebo's etc,others the vaccine.
Wow,that took some bottle but what about the other 2 thirds of the volunteers that did contract Aids? 
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It's not quite that drastic. Of the 8,000 given the vaccine about 50 contracted the disease. Of the 8,000 given the placbo about 74 contracted the diesase.
I'm assuming neither group know which treatment they got and just went about their business normally. |
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By (user no longer on site) OP
over a year ago
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"It's not quite that drastic. Of the 8,000 given the vaccine about 50 contracted the disease. Of the 8,000 given the placbo about 74 contracted the diesase.
I'm assuming neither group know which treatment they got and just went about their business normally."
Reckon it'd be pretty drastic if you are one of the 50 or 74.
Guess they knew the risks at the outset though.  |
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By (user no longer on site)
over a year ago
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Plenty of people that play bareback, so unless they changed their habits and usually wear condoms, they still had exactly the same risk. Regardless of the test, they would have contracted AIDs
The glass half full way to look at is that there are approximately 25 people that haven't contracted AIDs, but probably would have done had they not taken part |
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By (user no longer on site)
over a year ago
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I feel quite certain that they didn't take 16,000 Aids-free people and say to them, "Look, we're going to give you this vaccine for Aids and then deliberately expose you to the Aids virus to see how many of you get the disease."
This type of research has to be conducted over a specified length of time in an area where there is a high risk of contracting Aids during one's normal day to day life. The resulting figure then becomes indicative of of the overall population. Once a preventative rate of 80% is attained it can then be deemed as a vaccine. |
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"Is a difference of 25 out of 16,000 statistically significant? Is that level of potentially saving lives worth the cost and effort?"
25 saved out of 8,000 wasn't it?
If we'd been able to save 30% of the HIV infected in Africa that'd be about 10 million people. There's 14,000 new infections every day.
This is promising news. It might not be a good enough vaccine to wipe out AIDS but it's progress nonetheless. |
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