title: Streptococcal surveillance program--a 10 year study in eastern Nebraska.
mesh_terms: D006801:Humans; D009329:Nebraska; D011159:Population Surveillance; D013290:Streptococcal Infections / Q000453:epidemiology*; D013292:Streptococcus agalactiae / Q000302:isolation & purification; D013297:Streptococcus pyogenes / Q000302:isolation & purification