This new vaccine, MVA85A, is being developed as a booster for BCG, and has been in testing on humans for six years now. It is currently being tested in South Africa on young children and adults with HIV. If successful here, it will go into a phase 3 trial next year. However, it still needs at least 8 more years of trials before it can be considered for a license.
Here's the link to the article! http://news.bbc.co.uk/2/hi/health/7266559.stm