"The last few weeks have been hell and I'm just so thankful to be here.
"I have the most wonderful family and friends supporting me and the well wishes from the public has been incredible. I'm happy to be home to continue my recovery in the UK."
The former Sky and ITV sports presenter had just completed a 3,000-mile charity cycle ride from London to Rio when she fell ill.
Her condition quickly deteriorated and she was put into a medically induced coma.
Doctors diagnosed a very rare strain of malaria and medical specialists are now trying to find out where she may have caught the disease.
Last week, Webster was able to get out of bed for the first time and her kidney dialysis was reduced to six hours a day.
