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1·Methods The blood enrichment medium was made of tomatoes juice and chocolate agar and 168 blood samples were enriched by using the medium.

方法以西红柿汁肉汤和巧克力琼脂制成双相培养基，和常规培养基分别对16 8例血标本进行振摇培养。

2·The samples were inoculated into 5% sheep blood, chocolate, and MacConkey AGAR.

这些样本均接种在5%绵羊血、巧克力和麦康基琼脂里。