[Effectiveness of interepidemic vaccination against influenza].
D000328:Adult; D000367:Age Factors; D001317:Austria; D005260:Female; D006801:Humans; D007252:Influenza Vaccines; D007251:Influenza, Human / Q000453:epidemiology / Q000517:prevention & control*; D008297:Male; D008875:Middle Aged; D009790:Occupations; D011676:Punched-Card Systems; D012141:Respiratory Tract Infections / Q000453:epidemiology*; D012621:Seasons; D012737:Sex Factors; D014611:Vaccination
D007252:Influenza Vaccines
Uber die Wirksamkeit der Grippeimpfung ausserhalf von Epidemien.