title: Childhood respiratory infections with evidence of viral-streptococcal interaction.
mesh_terms: D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D012141:Respiratory Tract Infections / Q000175:diagnosis*; D013290:Streptococcal Infections / Q000175:diagnosis*; D013291:Streptococcus / Q000276:immunology; D014777:Virus Diseases / Q000175:diagnosis*