How does SARS-CoV-2 get in your head and destroy your sense of smell?

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How does SARS-CoV-2 get in your head and destroy your sense of smell?

One of the early indicators of imminent SARS-CoV-2 infection is a sudden and complete loss of smell and taste. Often, these symptoms persist long after infection has been seemingly cleared. How might a virus like this get into the nervous system, and why is the olfactory/gustatory system so specifically targeted?

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