COVID-19 pandemic Rospotrebnadzor discovers a mutated coronavirus strain that causes COVID-19 in Siberia. Ïîïîâà ñîîáùèëà î ôîðìèðîâàíèè íîâîé ìóòàöèè êîðîíàâèðóñà â Ñèáèðè © Interfax Sources: Interfax The Moscow Times
