title: [Epidemic periodicity of adenovirus type 3 and 7 pneumonia in infants and children].
mesh_terms: D000257:Adenoviridae Infections / Q000453:epidemiology*; D000258:Adenovirus Infections, Human / Q000453:epidemiology* / Q000276:immunology; D000260:Adenoviruses, Human / Q000276:immunology / Q000302:isolation & purification; D002648:Child; D002675:Child, Preschool; D002681:China; D006801:Humans; D007223:Infant; D010507:Periodicity; D011024:Pneumonia, Viral / Q000453:epidemiology*