Low Temperature and Low UV Indexes Correlated with Peaks of Influenza Virus Activity in Northern Europe during 2010–2018 oleh Aleksandr Ianevski, Eva Zusinaite, Nastassia Shtaida, Hannimari Kallio-Kokko, Miia Valkonen, Anu Kantele, Kaidi Telling, Irja Lutsar, Pille Letjuka, Natalja Metelitsa, Valentyn Oksenych, Uga Dumpis, Astra Vitkauskiene, Kestutis Stašaitis, Christina Öhrmalm, Kåre Bondeson, Anders Bergqvist, Rebecca J. Cox, Tanel Tenson, Andres Merits, Denis E. Kainov