Not to be sniffed at: Agony of post-COVID-19 loss of smell

A researcher holds one of the small pots of fragrance used during tests in a clinic in Nice, France, on Monday, Feb. 8, 2021, to help determine how patients’ sense of smell and taste have been degraded since they contracted COVID-19. A year into the coronavirus pandemic, doctors are striving to better understand and treat patients who lose their sense of smell.