Update (11:10 AM EST):
Mid-morning on Wednesday, Sen. Jeanne Shaheen (D-N.H.) became the sixteenth co-sponsor of the bill. She was immediately thanked.
With Sen. Bernie Sanders (I-Vt.) set to officially introduce his Medicare for All act Wednesday afternoon, the 15 Democratic co-sponsors of the bill are receiving applause and praise for pledging their support for the universal healthcare proposal.
As his various colleagues made their endorsements public over recent days, Sanders has made a point to thank them individually.
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Sens. Elizabeth Warren (D-Mass.), Patrick Leahy (D-Vt.), Ed Markey (D-Mass.), Brian Schatz (D-Hawaii), and Martin Heinrich (D-N.M.) have also signed on in recent days.
The members of the Democratic caucus who have not publicly supported the Medicare for All bill are below.
|Sen. Michael Bennet (D-Colo.)||Sen. Amy Klobuchar (D-Minn.)|
|Sen. Sherrod Brown (D-Ohio)||Sen. Joe Manchin (D-W.V.)|
|Sen. Maria Cantwell (D-Wash.)||Sen. Claire McCaskill (D-Mo.)|
|Sen. Ben Cardin (D-Md.)||Sen. Robert Menendez (D-N.J.)|
|Sen. Tom Carper (D-Del.)||Sen. Chris Murphy (D-Conn.)|
|Sen. Bob Casey (D-Pa.)||Sen. Patty Murray (D-Wash.)|
|Sen. Chris Coons (D-Del.)||Sen. Bill Nelson (D-Fla.)|
|Sen. Catherine Cortez Masto (D-Nev.)||Sen. Gary Peters (D-Mich.)|
|Sen. Joe Donnelly (D-Ind.)||Sen. Jack Reed (D-R.I.)|
|Sen. Tammy Duckworth (D-Ill.)||Sen. Chuck Schumer (D-N.Y.)|
|Sen. Dick Durbin (D-Ill.)||Sen. Jeanne Shaheen (D-N.H.)|
|Sen. Dianne Feinstein (D-Calif.)||Sen. Debbie Stabenow (D-Mich.)|
|Sen. Maggie Hassan (D-N.H.)||Sen. Jon Tester (D-Mont.)|
|Sen. Heidi Heitkamp (D-N.D.)||Sen. Chris Van Hollen (D-Md.)|
|Sen. Tim Kaine (D-Va.)||Sen. Mark Warner (D-Va.)|
|Sen. Angus King (I-Maine)||Sen. Ron Wyden (D-Ore.)|