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

Photo: Julian Ward/Getty Images

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

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

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