Pneumomediastinum
Coronavirus disease 2019 (COVID-19)
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
2019-20 coronavirus outbreak
Medicine
Virology
Mediastinal Emphysema
Primary (astronomy)
Pathology
Subcutaneous emphysema
Internal medicine
Disease
Astronomy
Physics
Infectious disease (medical specialty)
Complication
Outbreak