The Hong Kong Flu in the years 1968-1970 challenged both German health care systems. This article intends to analyse the patterns of reaction to the pandemic. Both German states faced the threat according to their respective ideological orientation. This applied to the two parts of Berlin - West and East - as well. In the GDR the control of influenza was centrally organized. When the pandemic passed away an influenza guiding document ("Führungsdokument") was made obligatory for the fight against the plague. In the FRG hospital treatment maintained predominance while the outpatient sector was administrated by physicians in private practice. In West- Berlin outpatient clinics were declined by the Association of Physicians ("Kassenärztliche Vereinigung"). In 1970 a first concept of surveillance was presented on the level of the state in West Germany. In the years 1968-1970 vaccinations were not common in both German states. The essay is based on the analysis of archival sources, monographs, scientific and newspaper articles.