MASS evacuation bus on the road

THIS IS NOT MY VIDEO THE ORIG. IS Mass Evacuation Bus Cruising Down The Highway. Could this be in for Preparations for the Swine Flu AKA W.H.O. Flu, FEMA Drills, something we dont know about yet??

I also want to addd today my husband was workng at the county jail and several people in a white prisoner bus with no markings showed up through the salli port. They were dressed in blue pants, white shirt with an unknown patch that was red white and blue.He has done plenty of work in the jails and never seen something odd lke this before, nor this patch. Any sugg.'s

INFO:

An ambulance bus is a mass casualty, mass evacuation, mass decontamination, or mass quarantine vehicle for transporting large numbers of patients from a mass casualty incident. A typical ambulance bus transports 20 to 24 patients on stretchers.

Ambulance buses are used as mass evacuation vehicles, to transport large numbers of stretchered patients

The AmbuBus Kit (Bus Stretcher Conversion Kit) is an effective and efficient solution for mass evacuation and transport of special needs patients, casualties, and others who require non-ambulatory transport. Quickly and easily retrofit vehicles of oppurtunity into mass casualty transport vehicles. With only 1 palletized Kit (2 Frames), convert an existing passenger bus into an Ambulance Bus capable of safely transporting 18 stretchers and IVs along with 6 operators and their medical support equipment. The ruggedized and palletized crate allows for quick and simple logistics for pre-positioning and emergency response. The kit is all-inclusive requiring no additional tools for assembly.