It's been a busy week for this ambulance corps in Fort Worth, Texas.
They're responding to an influx of calls from people who have gotten the flu.
SOUNDBITE: DUSTIN BLACK, AMBULANCE DRIVER, SAYING:
"We've experienced five different calls in the last 30 minutes."
SOUNDBITE: MATT ZAVADSKY, MEDSTAR DIRECTOR, SAYING:
"They're really feeling poorly, and they're really not sure what else to do because their doctor's offices are busy, the clinics are busy, so by default we become the healthcare safety net."
Hospitals are scrambling to keep up. Many have simply run out of room.
Fort Worth's John Peter Smith Hospital has delayed elective surgeries to accommodate flu patients.
SOUNDBITE: DR. GARY FLOYD, FORT WORTH'S JOHN PETER SMITH HOSPITAL, SAYING:
"We've had as many as thirty-five patients waiting for admission taking up our 56 beds."
The Centers for Disease Control reports the flu is now widespread in 40 states.
And in this past week alone, 10 children have died from the flu.
Flu season hits its peak (0:49)
Jan. 18 - In its latest report, the Centers for Disease Control shows the flu is now widespread in 40 states. Linda So reports. ( Transcript )