Abbreviations
COVID-19 : Coronavirus Disease 2019; CNS : Central Nervous System; AT2 : Alveolar Epithelial Type 2; ACE2 : Angiotensin Converting Enzyme 2; GI : Gastrointestinal;CSF : Cerebrospinal Fluid; BBB : Blood Brain Barrier;BDNF: Brain-derived Neurotrophic Factor; BSG : Basigin;EMMPRIN : Extracellular Matrix Metalloproteinase Inducer;CD147: Cluster of Differentiation 147; DPP4:Dipeptidyl-peptidase 4; CAM: Cell Adhesion Molecules;COPD : Chronic Obstructive Pulmonary Disease.