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BackgroundIn mid-March 2020, a range of public health and social measures (PHSM) against the then new coronavirus disease (COVID-19) were implemented in Denmark, Norway and Sweden.AimWe analysed the development of influenza cases during the implementation of PHSM against SARS-CoV-2 in the Scandinavian countries.MethodBased on the established national laboratory surveillance of influenza, we compar
