Abrupt termination of the 2019/20 influenza season following preventive measures against COVID-19 in Denmark, Norway and Sweden
Emborg, Hanne-Dorthe and Carnahan, AnnaSara and Bragstad, Karoline and Trebbien, Ramona and Brytting, Mia and Hungnes, Olav and Byström, Emma and Vestergaard, Lasse S, Eurosurveillance, 26, 2001160 (2021), https://doi.org/10.2807/1560-7917.ES.2021.26.22.2001160