An outbreak caused by the SARS-CoV-2 Delta variant (B.1.617.2) in a secondary care hospital in Finland, May 2021
Hetemäki, Iivo and Kääriäinen, Sohvi and Alho, Pirjo and Mikkola, Janne and Savolainen-Kopra, Carita and Ikonen, Niina and Nohynek, Hanna and Lyytikäinen, Outi, Eurosurveillance, 26, 2100636 (2021), https://doi.org/10.2807/1560-7917.ES.2021.26.30.2100636