
“Long Covid and the Loss of Smell” is another short
doc from DW News.
Rachel Herz
Brown University gives an interview about anosmia, loss of smell, and
sometimes parosmia, distorted smell.
There are related disorders for taste. I may have had some parosmia for about three days at the end of March, and it resolved itself.
Disturbances in the sense of smell happen when the
virus enters supporting cells for the olfactory nerve, as these cells have ACE2
receptors. This symptom may happen two
days before a PCR test would return a positive result, so self-isolation should
always happen. Often, when this is the first symptom, there are few other
symptoms.
The video did mention taste, and gave the example of a
woman whose job required taste. She
could taste something with wine and vinegar, but could not discern the
difference.
The video describes olfactory retraining and believes most people can regain most of their sense of smell.
The doctor said it was not clear yet how often loss of
smell and taste occur with the new variants.
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