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Also amiss: Tap water reeked of bleach; I smelled gasoline when none was present. My own body odor was unrecognizable, like a stranger had been wearing my clothes. My senses were, simply stated, torched. My personal, fire-breathing dragon was alerting me to something insidious: My body hadn't healed properly from COVID-19.
— Read more in Long COVID Stole My Sense of Smell, So I Traveled Across the World to Get It Back at Allure.
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Still struggling with your sense of smell after a bout with Covid-19? You’re far from alone.
About 5% of patients with confirmed cases of Covid-19 — some 27 million people worldwide — are estimated to have suffered a long-lasting loss of smell or taste, a new analysis suggests.
— Read more in Millions still without sense of smell or taste after Covid-19 at NBC.
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...While far fewer patients reported loss of the sense of smell during the first omicron wave compared to earlier waves, the peculiar Covid symptom seems to be making a comeback.
Doctors note that what they’re seeing during the current rise in cases — fueled by the hyperinfectious BA.5 omicron subvariant — is still based on anecdotal evidence.
— Read more in With BA.5, are you more likely to lose your sense of smell? at NBC News.
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Currently there are few treatment options [for anosmia] available. A technique called olfactory training can help in some cases, and a number of approaches to repairing damaged olfactory tissues are being explored. However, a small but growing group of scientists is pursuing another avenue: olfactory implants that restore smell by bypassing the peripheral olfactory system and electrically stimulating the brain.
— Read more in Restoring smell with an electronic nose at Nature.
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Now scientists have identified a highly potent odour molecule that appears to be a trigger for the sense of disgust experienced by many of those with parosmia. The molecule, called 2-furanmethanethiol, found in coffee, was described by those with a normal sense of smell as being coffee- or popcorn-like, but those with parosmia typically described its scent as disgusting, repulsive or dirty.
— Read more in Scientists identify ‘trigger molecule’ for Covid-related changes to smell at The Guardian.