TY JOUR TI Lessons for Health Service: the Chernobyl Accident and the COVID-19 Pandemic KW disasters KW Chernobyl accident KW a new coronavirus infection KW COVID-19 JO Medical Radiology and radiation safety AU Bushmanov, A.Y. AU Galstyan, I.A. AU Solov'ev, V.Y. AU Konchalovsky, M.V. PY 2020 IS 65 PB Federal Medical Biological Agency of Russia