7

“Because we do not have a clear understanding of all the factors around HIV clear right now that [a drug that is able to prevent integration of HIV] would have a very low probability, only 5% or less of becoming successful. But if somebody says that we have a new TB regimen which would give you a cure for TB in four months instead of 6 months that is probably something that can be achieved so then we would have a much higher probability of success.”—Phil1