One year ago, Marysue Grivna was a happy and healthy nine-year-old girl.

But just three days after receiving a flu shot, she was suddenly paralyzed and diagnosed with a rare disease.


Satanic Coloring Book Submitted To Fla. Schools for Distribution

HS Football Coach Benched From Team Prayers


Carla Grivna, Marysue's mother, spoke to Tucker Carlson and Clayton Morris on "Fox and Friends Weekend" this morning.

Grivna said doctors won't confirm or deny a link between her daughter's paralysis and the flu shot, but Grivna and her husband are 100% sure that the shot is what caused Marysue's condition.

"There was no underlying condition," Grivna said. "So many tests at the hospital to try and find something else that could have caused it, and they could not find anything."


WATCH: Baby Woken Up by Ed Sheeran Song Busts a Move

'Fallin' Baton Rouge': Garth Brooks Takes a Tumble on Stage


Now confined to a wheelchair and with a very limited vocabulary, Marysue has been diagnosed with Acute Disseminated Encephalomyelitis (ADEM), a rare inflammatory disease of the central nervous system, which affects approximately 8 in 1 million people per year.

"I'm saying to parents: hear my story, understand what happened to my daughter, ask questions, be informed and make an informed decision with your doctor's guidance," Grivna said.

You can support Marysue and her family at their GoFundMe page.

Watch the heartbreaking clip above and read more on FoxNews.com.


1 Dead, 1 Seriously Hurt in SpaceShipTwo Crash

WATCH: Military Dad Surprises Daughter at Pumpkin Patch