For Coronavirus Testing, the Nose May Not Always Be Best

As Omicron spreads, some experts are calling for a switch to saliva-based tests, which may detect infections days earlier than nasal swabs do.

For Coronavirus Testing, The Nose May Not Always Be Best

The New York Times – by Emily Anthes

Over the past two years, diagnosing a coronavirus infection has often required probing the nose. Health care workers have inserted slender swabs deep into the recesses of Americans’ nasal passages, while at-home test kits have asked us to master the shallow double-nostril twirl.

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