Alexei Navalny
On 20 August 2020, Navalny was poisoned during a flight from Tomsk, Siberia to Moscow and was hospitalized in Omsk. He was soon in a coma, on a ventilator. On 7 September 2020, he woke up from the coma, and on 14 September, he was taken off the ventilator. He was released on 22 September.