The Globe spoke with infectious disease experts about how and when to use the new combo tests. Like a COVID-19 test, the new kits use a nasal swab to tell people if they are sick — within about 15 minutes.

Flu, RSV and COVID cases are all on the rise in North Texas, according to Children's Health. Flu cases were up 93% at Children's Health hospitals last week.

As the winter season continues, there's an increased chance of infections from COVID-19, influenza and respiratory syncytial virus. But, the U.S. Centers for Disease Control and Prevention predicted hospitalizations will be similar to or lower than last fall and winter.

Flu season is underway, and experts recommend still getting the flu and COVID vaccine, as the benefit will last months. Reset gets a breakdown of the numbers and tips for staying healthy during the holidays.

The Milwaukee Health Department tracks COVID-19, flu and RSV levels through public wastewater testing. Officials provided a behind-the-scenes look.

Illinois health officials advised of an uptick in respiratory illnesses on Monday as families geared up for holiday celebrations in the following days.

Is COVID going around again? The CDC's wastewater surveillance system suggests the virus is growing in prevalence.