29 Nov 2009
The typhoid vaccine is produced by heating a strain of salmonella typhi and then adding phenol, holding and then freeze drying the vaccine. This process inactivates the salmonella typhi strain.
The heat kills the salmonella and the phenol preserves it so that it can be reconstituted and given by injection when required.
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1 answer • 3 Aug 2009
When taking the typhoid live vaccine, can I eat 2 hours before taking the pill and also eat 1 hour after taking the pill?
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1 answer • 6 Feb 2014
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