Scalise was one of several people shot by suspect James T. Hodgkinson ― a 66-year-old resident of IL ― who targeted a GOP team baseball practice in Alexandria, Virginia, on Wednesday.
A rifle bullet hit his left hip, shattering bones, tearing organs, and leaving him in a critical condition.
He underwent another surgery today, but continues to show signs of improvement.
The Louisiana Republican is "more responsive, and is speaking with his loved ones", according to a statement posted on his Twitter account.
Although Scalise was able to talk on the ballfield, by the time he was transported by helicopter to the hospital, he was in shock.
Scalise's surgeon says he can hope to make an "excellent recovery", despite being at risk of death when he arrived at the hospital.
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Scalise was one of five people shot when a gunman opened fire Wednesday as the Republican team practiced in Alexandria, Virginia. The congressman's risk of death was now substantially lower because doctors have controlled the bleeding and his vital signs have stabilized.
Medstar doctors reported that Scalise remains in critical condition with more surgeries to come but they "are encouraged by improvement in his condition". He has been sedated, but has been brought out of sedation periodically and been able to recognize and communicate with his family, Sava said.
Scalise's security detail and other police officers shot and killed the assailant, James Hodgkinson of IL, who had lashed out against President Donald Trump and other Republicans over social media.
Hodgkinson had a history of posting angry messages against Trump and other Republicans on social media. The Scalise family greatly appreciates the outpouring of thoughts and prayers.
Two Capitol Police officers, David Bailey and Crystal Griner, and House Republican aide Zack Barth, were also injured in the shooting.
Lobbyist Matt Mika was shot multiple times and critically injured and remained hospitalized.