Nationally, the test positivity rate for the week ending on February 8, was 4.8 percent, according to the CDC's most recent update on its COVID Data Tracker.

Respiratory viruses are continuing to spread across the United States and such activity "is expected to continue for several more weeks." ...

A nationwide surge in flu, COVID-19, RSV and norovirus infections is fueling concerns of a possible virus "quademic." Or is it just winter? The three respiratory viruses plus norovirus ...