The National 30 April 2021
The SARS CoV-2 virus causes pneumonia and hypoxaemia in COVID 19.
Hypoxaemia is a lack of oxygen in the blood. It is the key complication in COV19 pneumonia and causes death. Oxygen relieves hypoxaemia.
It can allow time for the infection to clear and the lungs to heal. Oxygen is life saving.
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