The office of Rep. Joe WilsonAddison (Joe) Graves WilsonDems target Trump administration's use of military planes in defense bill debate Trump's effort to secure the border is making America safe again Legal immigrants can commend Trump on his efforts to end illegal immigration MORE (R-S.C.) confirms that he has been hospitalized with an "extended fever." 

"The Congressman is still in the hospital. I have talked to him this morning and he feels 'much' better," said Wilson's Chief of Staff Eric Dell in an email Thursday morning.

Wilson’s office revealed last week that he was treating symptoms of Lyme disease. A message on his website from Sunday said that the congressman would be rescheduling appearances in his home district.

The lawmaker is best known for shouting, “You lie” at President Obama during a speech on healthcare reform to a joint session of Congress in 2009. Wilson later apologized and was rebuked by the House for his outburst.

This story was updated at 10:40 a.m.