Vaccine, immunity no help in HIV

Initial analysis confirmed that an HIV vaccine from a linkurl:halted;http://www.the-scientist.com/blog/display/53633/ trial does not prevent or quell infection, according to data presented today at the HIV Vaccine Trials Network meeting. According to the linkurl:press release;http://home.businesswire.com/portal/site/google/index.jsp?ndmViewId=news_view&newsId=20071107005139&newsLang=en from Merck, the investigational vaccine (V520) was not shown to be effective at preventing infection or reduc