Republican congressman-elect Luke Letlow was admitted to the hospital on Dec. 19 after testing positive for COVID-19.
"I’m at home resting, following all CDC guidelines, quarantine protocols, and the recommendations of my doctors," he wrote in a tweet.
Most people with COVID-19 experience no or few symptoms and the vast majority recover. A percentage require hospitalization and a small percentage die.
Other Louisiana officials have recently tested positive for COVID-19.
Rep. Cedric Richmond (D-La.), who is poised to join Democratic presidential nominee Joe Biden's team as a senior adviser, tested positive on Dec. 17, just a few days after attending a rally in Georgia with Biden.
Lt. Gov. Billy Nungesser, a Republican, tested positive the same day.
Sen. Bill Cassidy (R-La.) and Rep. Mike Johnson (R-La.) contracted the disease earlier this year but have since recovered.
"I was lucky and blessed," Cassidy said in a statement in August.