Upper respiratory tract infections.
D000208:Acute Disease; D002675:Child, Preschool; D002908:Chronic Disease; D006801:Humans; D010612:Pharyngitis; D012141:Respiratory Tract Infections / Q000175:diagnosis / Q000209:etiology / Q000503:physiopathology / Q000517:prevention & control / Q000628:therapy; D012852:Sinusitis; D014069:Tonsillitis; D014611:Vaccination; D014765:Viral Vaccines
D014765:Viral Vaccines