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...

Chronic rhinitis endotypes

Chronic rhinitis (CR) is common with up to 30% of the population affected, with a significant impact on quality of life. CR includes several phenotypes with different pathogenesis including allergy, autoimmune, age, occupation, pregnancy, neurogenic and drugs. Such variation means...