COVID-19 in patients with chronic rhinosinusitis with polyps. Are they at risk?

COVID-19 entry factors are highly present in nasal epithelial cells. These factors include ACE2 and TMPRSS2. Their presence in patients with chronic rhinosinusitis with nasal polyps (CRSwNP) was not investigated before. Authors investigated expression of ACE2 and TMPRSS2 in two...