Emily Anthes

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. 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 […]Read More