Abstract
Summary
An improved technic for demonstrating the presence of oral streptococci on washed glasses is presented. The procedure involves primary enrichment of swab cultures in azide broth followed by inoculation onto sucrose-crystal violet-postassium tellurite agar. The simplicity of the technic, the ease of preparation of the media involved and the readily distinguishable colonies formed by S. salivarius on the selective agar substrate makes this procedure applicable to routine examination of restaurant ware. The data obtained by such routine examinations has public health significance which cannot be too strongly emphasized.
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