Loss of smell and taste has been anecdotally linked to COVID-19 infections. In a study published April 12, 2020 , researchers at UC San Diego Health report the first empirical findings that strongly associate sensory loss with corona virus infection

https://onlinelibrary.wiley.com/doi/abs/10.1002/alr.22579
https://onlinelibrary.wiley.com/doi/abs/1... href=" https://onlinelibrary.wiley.com/doi/epdf/10.1002/alr.22579">https://onlinelibrary.wiley.com/doi/epdf/...

Association of chemosensory dysfunction and Covid‐19 in patients presenting with influenza‐like...

Background Rapid spread of the SARS‐CoV‐2 virus and concern for viral transmission by ambulatory patients with minimal to no symptoms underline the importance of identifying early or subclinical...

https://onlinelibrary.wiley.com/doi/abs/10.1002/alr.22579

The most common first sign of a COVID-19 infection remains fever, but fatigue and loss of smell&taste follow as other very common initial symptoms.Of those who reported loss of smell&taste, the loss was typically profound. But those who show this also have gr8 recovery rate

Interestingly, the researchers found that persons who reported experiencing a sore throat more often tested negative for COVID-19.

In an effort to decrease risk of virus transmission, UC San Diego Health now includes loss of smell and taste as a screening requirement for visitors and staff, as well as a marker for testing patients who may be positive for the virus
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