Antibody testing shows whether you've had the COVID-19 virus in the past. It's not the same as testing to see whether you ...

The question quickly arose whether existing rapid antigen tests could detect newly emerging variants. Using clinical samples obtained from diagnostic labs throughout the U.S. from 2020 to 2023, the ...

There are three broad categories of coronavirus tests in the U.S. Two diagnose whether you have an active infection, and a third indicates if you previously had the virus. Most tests look for bits of ...

Know the symptoms of COVID-19 in children, what to do if your child appears sick and how to keep your family healthy.

Encounter-level factors, including diagnostic test type and care site, significantly contribute to racial disparities in COVID-19 treatment access. Black and Latino patients showed lower prescription ...

The question quickly arose whether existing rapid antigen tests could detect newly emerging variants. Using clinical samples obtained from diagnostic labs throughout the U.S. from 2020 to 2023, the ...