"We're running about 20 to 25 people out there who are actually in the field," said John Ferguson, an account executive for Carrier Commercial Services in Jackson, Miss. These crews have been working on "things that didn't get affected from water damage; a lot of things that are on the roof."
"In contaminated regions, all of our technicians going down there are getting vaccinated for tetanus, typhoid, and hepatitis. We're not wearing HazMat gear, but we are carrying antibiotic stuff with us, wearing shoes, gloves, that sort of thing."