PRIMARY OBJECTIVE:~I. To compare treatment of severe COVID-19 pneumonia between supportive care and standard of care drug therapies versus supportive care and standard of care drug therapies plus low-dose, whole-lung radiation therapy~OUTLINE:~Patients undergo 1.5Gy of single low-dose radiation therapy. After completion of study treatment, patients are followed up at days 1-7, and 14 after last dose of intervention.
This phase II trial studies low-dose radiation therapy as a treatment for patients with severe COVID-19 pneumonia to improve clinical status.