This device is crucial in the fight against Covid. It may not work on dark skin

this-device-is-crucial-in-the-fight-against-covid.-it-may-not-work-on-dark-skin

In the fight against Covid-19, the pulse oximeter has been an essential tool for doctors and other medical professionals. But the small device that monitors oxygen levels may not work well for people with dark skin, according to multiple studies and government health agencies.

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