As the COVID-19 outbreak continues, we’re learning more about the disease, what it does to the body and the damage it causes.

Although many people with COVID-19 have no symptoms or only mild symptoms, a subset of patients develop severe respiratory illness and may need to be admitted for intensive care.

In a new video, lung pathologist Sanjay Mukhopadhyay, MD, lays out in detail how the lungs are affected in these severe cases.

This brief video explains what pathologists see under the microscope in lung tissue from patients who are severely ill from viral infections such as COVID-19, which is currently causing a pandemic.

The 15-minute video walks through how COVID-19 causes acute respiratory distress syndrome (ARDS) while providing stark images that underscore the severity of the damage that condition can cause to the lungs.

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