COVID-19(4) pathway(3) epithelial(2) Cholinergic anti-inflammatory pathway(2) expression(2) Course(2) nerve stimulation(2) modulation(2) Cytokine storm(2) COVID-19 pandemic(2) Vagus nerve stimulation(2) receptor(2) acute respiratory syndrome(2) SARS-CoV-2(2) Anti-inflammatory(2) cytokine(2) subunit(2) coronavirus(2) Infection(1) multiple organ failure(1) Laboratory results(1) Nicotinic receptor(1) α7 nicotinic acetylcholine receptor(1) management(1) severe disease(1) utility(1) characterized(1) intestinal epithelial cells(1) patients with SARS-CoV-2(1) TNF α(1)