Could asthma protect against severe COVID-19?

ACE2 gene expression is reduced in those with asthma which could lead to less severe illness, researchers say

People with asthma and allergies have reduced angiotensin-converting enzyme-2 (ACE2) gene expression which may offer protection against severe COVID-19 illness, a study suggests.

SARS-CoV-2 uses ACE2 as its cellular receptor.

Studies have shown that higher expression of ACE2 is associated with smoking, diabetes and hypertension, all of which have been

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