title: Primary atypical pneumonia; a small highly infective outbreak.
mesh_terms: D004196:Disease Outbreaks; D006801:Humans; D007251:Influenza, Human; D009175:Mycoplasma Infections; D011014:Pneumonia; D018410:Pneumonia, Bacterial; D011019:Pneumonia, Mycoplasma
keywords: PNEUMONIA/atypical