Pathologie(4) formalin(4) pathology(4) approaches(4) Infectious disease(4) COVID-19 positive patients(4) pathophysiology(4) consequence(4) Factors(4) concerning(4) respiratory(4) Ancillary tools(4) cellular(4) SARS-CoV-2(4) tissue(4) Infection(4) organs(4) Brain(4) autopsy studies(4) Microscopy(4) analysis(4) respiratory tract(4) Étude(4) therapeutic strategy(4) Physiopathologie(4) observation(4) Molecular biology(4) lesions(4) virus(4) pathophysiological mechanisms(4)