[Studies of the spread of infection caused by influenza virus A2-Hong Kong 68 in patients with acute undifferentiated respiratory disorders (Sept. 1968--Sept. 1969)].
D000328:Adult; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007251:Influenza, Human / Q000150:complications / Q000453:epidemiology*; D007558:Italy; D009975:Orthomyxoviridae; D012140:Respiratory Tract Diseases / Q000150:complications*
Indagini sulla diffusione di infezione da virus influenzale A2-Hong Kong 68, in pazienti con forme respiratorie acute indifferenziate (Sett. 1968--Sett. 1969)