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Can AI diagnose COVID-19 on CT scans? Can humans?

Vidur Mahajan
Vasanth Venugopal

By VASANTH VENUGOPAL MD and VIDUR MAHAJAN MBBS, MBA

What can Artificial Intelligence (AI) do?

AI can, simply put, do two things – one, it can do what humans can do. These are tasks like looking at CCTV cameras, detecting faces of people, or in this case, read CT scans and identify ‘findings’ of pneumonia that radiologists can otherwise also find – just that this happens automatically and fast. Two, AI can do things that humans can’t do – like telling you the exact time it would take you to go from point A to point B (i.e. Google maps), or like in this case, diagnose COVID-19 pneumonia on a CT scan.

Pneumonia on CT scans?

Pneumonia, an infection of the lungs, is a killer disease. According to WHO statistics from 2015, Community Acquired Pneumonia (CAP) is the deadliest communicable disease and third leading cause of mortality worldwide leading to 3.2 million deaths every year.

Pneumonias can be classified in many ways, including the type of infectious agent (etiology), source of infection and pattern of lung involvement. From an etiological classification perspective, the most common causative agents of pneumonia are bacteria (typical like Pneumococcus, H.Influenza and atypical like Legionella, Mycoplasma), viral (Influenza, Respiratory Syncytial Virus, Parainfluenza, and adenoviruses) and fungi (Histoplasma & Pneumocystis Carinii).

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