[The role of ECHO virus 19 in the etiology of several epidemic outbreaks of an acute respiratory nature].
D002648:Child; D029822:Enterovirus B, Human; D004769:Enterovirus Infections; D006801:Humans; D007223:Infant; D012141:Respiratory Tract Infections / Q000453:epidemiology / Q000209:etiology*
Rolul virusului ECHO 19 în determinarea unei izbucniri epidemice cu caracter respirator acut.