3 ms·
The infection is at the lung while the swabs are done to the upper respiratory tract. That's not particularly relevant, given that anal swabs are more accurate
by masonic 7y ago
The infection is at the lung while the swabs are done to the upper respiratory tract.
That's not particularly relevant, given that anal swabs are more accurate than oral swabs.
- fspeech 7y agoACE2 receptors, through which the virus infects the cells, are highly expressed in parts of the lung and the digestive tract. They are not in the upper respiratory tract however. The accuracy of the swab test depends on the amount of viral material coughed up in the sputum.