From taste and smell to muscle aches and “COVID toes,” the coronavirus affects the body in a variety of ways—including small changes in a person’s voice, subtle to the ear but clear enough to spot on a computer, according to Vocalis Health.

Using artificial intelligence software to analyze a multitude of voice recordings, Vocalis has secured a CE mark for the use of its digital COVID-19 screening programs in Europe.

Run off a smartphone, the user records themselves counting up from 50 to 70 while the program analyzes the quality of their voice and searches it for signs associated with the disease. Though not a diagnostic itself, Vocalis believes it could be a useful tool to screen large populations of people and point those at the highest risk of infection toward the clinic.

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