SARS-CoV-2 clade dynamics and their associations with hospitalisations during the first two years of the COVID-19 pandemic oleh Taavi Päll, Aare Abroi, Radko Avi, Heiki Niglas, Arina Shablinskaja, Merit Pauskar, Ene-Ly Jõgeda, Hiie Soeorg, Eveli Kallas, Andrio Lahesaare, Kai Truusalu, Dagmar Hoidmets, Olga Sadikova, Kaspar Ratnik, Hanna Sepp, Liidia Dotsenko, Jevgenia Epštein, Heleene Suija, Katrin Kaarna, Steven Smit, Lili Milani, Mait Metspalu, Ott Eric Oopkaup, Ivar Koppel, Erik Jaaniso, Ivan Kuzmin, Heleri Inno, Uku Raudvere, Mari-Anne Härma, Paul Naaber, Tuuli Reisberg, Hedi Peterson, Ulvi Gerst Talas, Irja Lutsar, Kristi Huik