COVID-19 Respiratory Symptoms

Wavelength: 940 nm
Irradiance: 2.9 mW/cm²
Dose: 2.6 J/cm²
Duration: Daily × 7 days (chest)

Category: Respiratory & Lung

Journal: Photodiagnosis and Photodynamic Therapy (2023)

Key finding

Significant improvement in respiratory function, oxygen saturation, and clinical recovery vs control group.