SARS-CoV-2(3) molecular imaging(3) Sex difference(3) Macrophage(3) COVID-19(3) PET/CT(3) immune response(3) Hepatitis B virus(1) Sodium taurocholate cotransporting polypeptide (NTCP).(1) In vivo imaging system (IVIS)(1) Indocyanine green (ICG)(1)