: While many cases resolve over time, research into antifibrotic and anti-inflammatory therapies is ongoing for severe, persistent cases. The post-COVID-19 pulmonary sequelae - PMC - NIH

Reduced capacity for the lungs to transfer oxygen to the blood.

: This peer-reviewed article from Revue Médicale Suisse (and available on ResearchGate ) focuses on identifying lung function impairments and radiological abnormalities via CT scans. Download from UNIL (IRIS)

: Patients symptomatic at 3-4 months should receive at least a non-injected CT scan and pulmonary function tests (PFTs).

Scarring of lung tissue that may impair elasticity and gas exchange.