This is stated on the website of the Scientific Research Institute (SRI) of Vaccines and Serums.

I. I. Mechnikov, where Filatov worked as Deputy Director for Research.

“We are sorry to inform you that on February 4, 2021, at the age of 67, Corresponding Member of the Russian Academy of Sciences, Professor, Doctor of Medical Sciences, Honored Doctor of the Russian Federation, laureate of awards of the Government of the Russian Federation in the field of education Nikolai Nikolayevich Filatov passed away,” the statement says.

Earlier, the former chief state sanitary doctor of Russia, Evgeny Belyaev, a scientist, organizer of national health care and medical science, died at the age of 84.