A New Study Explains Why Covid-19 Causes a Loss of Smell

Nasal cells dedicated to smell have up to 700 times the number of viral receptors as respiratory cells in the nose

Out of the numerous symptoms attributed to Covid-19, one of the most bizarre and puzzling is a loss of smell, sometimes emerging without any other signs of the disease. A new



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Dana G Smith

Health and science writer • PhD in 🧠 • Words in Scientific American, STAT, The Atlantic, The Guardian • Award-winning Covid-19 coverage for Elemental