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Loss of smell, taste, might signal pandemic virus infection

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Loss of smell, taste, might signal pandemic virus infection

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NEW YORK (AP) — A loss of smell or taste might be an early sign of infection with the pandemic virus , say medical experts who cite reports from several countries.

It might even serve as a useful screening tool, they say.

The idea of a virus infection reducing sense of smell is not new. Respiratory viral infection is a common cause of loss of smell, because inflammation can interfere with airflow and the ability to detect odors. The sense of smell usually returns when the infection resolves, but in a small percentage of cases, smell loss can persist after other symptoms disappear. In some cases, it is permanent.

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Now, there’s “good evidence” from South Korea, China and Italy for loss or impairment of smell in infected people, says a joint statement from the presidents of the British Rhinological Society and of ENT UK, a British group that represents ear, nose and throat doctors. In South Korea, some 30% of people who tested positive for the virus have cited loss of smell as their major complaint in otherwise mild cases, they wrote.

So that might be useful as a way to spot infected people without other symptoms — fever, coughing and shortness of breath — of the new coronavirus, they wrote.

A similar proposal was published Sunday by the American Academy of Otolaryngology-Head and Neck Surgery. It noted “rapidly accumulating” anecdotal evidence from around the world that the pandemic virus can cause not only loss of smell but also a diminished sense of taste. So the appearance of […]

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