SARS COV 2 infection causes lung lesions characterized by the appearance of ground glass opacities, and a significant percentage of patients present persistent symptoms and changes in CT scan represented by fibrotic lesions, traction bronchiectasis, persistence of ground glass images. Laser therapy has anti-inflammatory effects, stabilizes the vascular endothelium, has antifibrotic effects, being a useful therapy both in the acute phase of SARS COV2 pneumonia, as well as in the post-acute and chronic phase, rapidly reducing the symptomatology and being able to prevent the appearance of sequelae.