BBC News Archive — Story headline history

Here is the front page history of story #6442851 — view the current version of this article on BBC News.

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Key: Main headline Sub-headline Other Top Stories

18/3/2007, 05:40 – 07:00: 4th other top story: Older TB vaccines more effective
18/3/2007, 07:00 – 07:10: 4th other top story: Older TB vaccines 'work better'