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It can be as simple as sitting down and hitting a few keys, but thousands of families don't realize they're eligible.

"We're bringing in families who are uninsured," says Florida Covering Kids project manager Jodi Ray. "We have such a growing number of uninsured and then hence the kids are uninsured."

Cover the Uninsured Week kicked off at St. Joseph's Children's Hospital today. It's a national event aimed at enrolling families without health coverage in programs like Floirda KidCare or Medicaid.

"We're one of those families who can't," says KidCare parent Aimee Eden. "I'm a student and my husband is a freelance photographer and we just can't afford. We just don't have any good health care options."

Eden recently enrolled her two small children in KidCare. She says she now sleeps better at night.

"I can't tell you how much of a relief and how much stress it takes off knowing that we can take our kids to get their vaccinations and if they're sick and everything," she added.

The goal this week is to enroll as many families as possible, but state leaders say even more needs to be done.

"We've got to get to work here in Florida. We've got more than 700,000 children in the state of Florida that do not have health insurance. And that means the ability to go into the doctor's office and get immunizations and checkups," explained U.S. Rep. Kathy Castor.

This week, Castor says she's filing a bill in Congress to cut some of the red tape in Florida. She hopes to improve health care in the Bay Area.

"Now other states have been more aggressive in signing up kids and they are able to draw down significant federal dollars. Florida's leaving about $500-million on the table because we're not signing up kids the way we should," she added.

The enrollment fair runs through the rest of the week at St. Joseph's Hospital.