But she added while the researchers felt the immunity was compromised in this case, it was important to remember that just because a vaccine was not as effective as another did not necessarily mean it was below a safe immunelevel.
Designed to boost the immune responses that have been primed by the BCG vaccine, MVA85A has been undergoing human trials for more than a decade, showing it to be safe and to stimulate a high level of immune response in adults.
With Iraq's Kurdish region seeking to reduce its dependence on Baghdad, the relationship with Turkey may soon move to another level -- but one that is hardly immune to risk.