title: Applying an old concept to a new method of streptococcal surveillance.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D003120:Colorado; D003365:Costs and Cost Analysis; D006285:Health Planning; D006801:Humans; D008722:Methods; D011159:Population Surveillance; D012189:Retrospective Studies; D013223:Statistics as Topic; D013290:Streptococcal Infections / Q000235:genetics* / Q000517:prevention & control