[On an episode of acute respiratory disease caused by ECHO 19 virus].
D002675:Child, Preschool; D003428:Cross Infection; D004457:Echovirus Infections / Q000453:epidemiology*; D006801:Humans; D007223:Infant; D007558:Italy; D012141:Respiratory Tract Infections / Q000453:epidemiology* / Q000209:etiology
Su un episodio di malatia respiratoria acuta di virus ECHO 19.