Some 27 million people worldwide are estimated to have suffered a long-lasting loss of smell or taste. Loss of smell was one of the most distinct markers of the COVID-19 pandemic. Losing smell has been linked to higher death rates in older adults. The coronavirus often causes swelling in the olfactory cleft, that is, the passages in the upper part of the nasal cavity. An analysis shows steady increases in the proportion of patients who recovered their sense of smell over time. Women were less likely to regain their senses of smell and taste than men. He says his patients include professional chefs, chocolatiers, and others whose livelihoods depend on their ability to determine smell and flavor.
“Millions Still without Sense of Smell or Taste after Covid-19.” MSN, www.msn.com, 27 July 2022, https://www.msn.com/en-us/health/medical/millions-still-without-sense-of-smell-or-taste-after-covid-19/ar-AA102mGb.