The tests in table S1 detect a range of genes including those that differentiate between biotype El tor and classical cholera, the serotype specific wbe and hemA genes and virulence genes for cholera toxin (ctx), zonula occludens toxin (zot), accessory cholera enterotoxin (ace) and a tetracycline resistant genotype (tetA). The gene discussed is CYP27A1; the disease is vibrio infectious disease.