Food poisoning laboratories identify Bacillus cereus using routine methods that may not differentiate all Bacillus cereus group species. We recharacterized Bacillus food-poisoning strains from 39 outbreaks and identified B. cereus in 23 outbreaks, B. thuringiensis in 4, B. mycoides in 1, and mixed strains of Bacillus in 11 outbreaks.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2592946PMC
http://dx.doi.org/10.1128/AEM.01284-08DOI Listing

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