In 2009 , HIV vaccine trial in Thailand to offered glimmers of hope for a future vaccine . It was also the first to show any protection at all against infection . A modified version of the vaccine is to be tested in South Africa from 2010 . Broadly neutralizing antibodies could offer another avenue against the range of HIV infections . Protective antibodies 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 . A modified version of the vaccine is to be tested in South Africa from 2010 . Broadly neutralizing antibodies could offer another avenue against the range of HIV infections . Protective antibodies of 50 % would have an impact on public health .