In Reply to: Oral tyhoid posted by Hillary on Friday, 2. September 2011 at 08:00 Bali Time:
I think you will find it is the oral cholera vaccine, Dukoral, which offers some protection against traveller's diarrhoea, rather than the typhoid vaccines (see link). Also there is currently a shortage of typhoid vaccines due to a shortfall from one of the major producers.