1 Exhibit 23.1 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in the Prospectus constituting part of this Registration Statement on Form S-3 of our report dated February 7, 1995 appearing on page 12 of T Cell Sciences, Inc.'s Form 10-K for the year ended December 31, 1994. We also consent to the references to us under the heading "Experts" in such Prospectus. PRICE WATERHOUSE LLP Boston, Massachusetts November 6, 1995