If a breakthrough in developing an HIV vaccine occurred today, scientists and drug companies would need another decade to provide a commercial product.
http://www.scientificamerican.com/article.cfm?id=promising-hiv-vaccine-may-take-ten-years-to-perfect
http://www.scientificamerican.com/article.cfm?id=promising-hiv-vaccine-may-take-ten-years-to-perfect
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