`` In the case of HIV , the old empirical approach is n't going to work , '' Koff said . In 2009 , HIV vaccine trial in Thailand to offered glimmers of hope for a future vaccine . The results were disappointing and the trials ended after only 2 years due to lack of funding. Broadly neutralizing antibodies could offer another avenue against the range of HIV viruses . Protective levels of 50 % would have an impact on public health .
In 2009 , HIV vaccine trial in Thailand to offered glimmers of hope for a future vaccine . The results were disappointing and the trials ended after only 2 years due to lack of funding. Broadly neutralizing antibodies could offer another avenue against the range of HIV viruses . Protective levels of 50 % would have an impact on public health .