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Some coronavirus patients lose their sense of smell for 30-plus days — and may never regain it. Scientists are beginning to understand why.

Many coronavirus patients lose their sense of taste and smell – it’s a relatively common symptom of COVID-19, according to the CDC. Short-term loss of smell may stem from “cleft syndrome,” a condition in which swelling prevents aromas from reaching the olfactory neurons. But patients with aggressive immune responses may […]
Some coronavirus patients lose their sense of smell for 30-plus days — and may never regain it. Scientists are beginning to understand why.