28 January 2021 year is over 70 years since the birth of the first cosmonaut of independent Ukraine Leonid Kadenyuk. On this day, a solemn ceremony of laying flowers on the grave of Leonid Kostyanitynovych was held at Baikovo Cemetery in Kyiv, which was attended by Volodymyr Prysiazhniy, the head of the Center for National Centers for Disease Control and Prevention, and Andriy Zhilkov, the first deputy head of the center.