EXHIBIT 25



                      SECURITIES AND EXCHANGE COMMISSION
                            WASHINGTON, D.C. 20549

                                   FORM T-1

                                  __________

                      STATEMENT OF ELIGIBILITY UNDER THE
                       TRUST INDENTURE ACT OF 1939 OF A
                   CORPORATION DESIGNATED TO ACT AS TRUSTEE

               Check if an Application to Determine Eligibility
                 of a Trustee Pursuant to Section 305(b)(2) __


                      STATE STREET BANK AND TRUST COMPANY
              (Exact name of trustee as specified in its charter)

          Massachusetts                                    04-1867445
   (Jurisdiction of incorporation or                    (I.R.S. Employer
organization if not a U.S. national bank)              Identification No.)

     225 Franklin Street, Boston, Massachusetts             02110
  (Address of principal executive offices)                  (Zip Code)
  
      John R. Towers, Esq. Senior Vice President and Corporate Secretary
               225 Franklin Street, Boston, Massachusetts  02110
                                 (617)654-3253
           (Name, address and telephone number of agent for service)

                             _____________________


                               (NAME OF ISSUER)
                                -------------- 
                                     NABI
              (Exact name of obligor as specified in its charter)

 
             (STATE)                                     (EIN)
            DELAWARE                                   59-1212264
  (State or other jurisdiction of                   (I.R.S. Employer
  incorporation or organization)                  Identification No.)

                              (ADDRESS OF ISSUER)
                    5800 PARK OF COMMERCE BOULEVARD, N. W.
                             BOCA RATON, FL 33487
             (Address of principal executive offices)  (Zip Code)


                             ____________________

                             (TYPE OF SECURITIES)
                6 1/2% CONVERTIBLE SUBORDINATED NOTES DUE 2003
                        (Title of indenture securities)

 
                                    GENERAL

ITEM 1.   GENERAL INFORMATION.

          FURNISH THE FOLLOWING INFORMATION AS TO THE TRUSTEE:

          (A)  NAME AND ADDRESS OF EACH EXAMINING OR SUPERVISORY AUTHORITY TO
               WHICH IT IS SUBJECT.

                    Department of Banking and Insurance of The Commonwealth of
                    Massachusetts, 100 Cambridge Street, Boston, Massachusetts.
                  
                    Board of Governors of the Federal Reserve System,
                    Washington, D.C., Federal Deposit Insurance Corporation,
                    Washington, D.C.

ITEM 2.   AFFILIATIONS WITH OBLIGOR.

          IF THE OBLIGOR IS AN AFFILIATE OF THE TRUSTEE, DESCRIBE EACH SUCH
          AFFILIATION.

                    The obligor is not an affiliate of the trustee or of its
                    parent, State Street Boston Corporation.

                    (See note on page 6.)

ITEM 3. THROUGH ITEM 15.  NOT APPLICABLE.

ITEM 16.  LIST OF EXHIBITS.

          LIST BELOW ALL EXHIBITS FILED AS PART OF THIS STATEMENT OF
          ELIGIBILITY.

          1.   A COPY OF THE ARTICLES OF ASSOCIATION OF THE TRUSTEE AS NOW IN
          EFFECT.

                    A copy of the Articles of Association of the trustee, as now
                    in effect, is on file with the Securities and Exchange
                    Commission as Exhibit 1 to Amendment No. 1 to the Statement
                    of Eligibility and Qualification of Trustee (Form T-1) filed
                    with the Registration Statement of Morse Shoe, Inc. (File
                    No. 22-17940) and is incorporated herein by reference
                    thereto.

          2.   A COPY OF THE CERTIFICATE OF AUTHORITY OF THE TRUSTEE TO COMMENCE
          BUSINESS, IF NOT CONTAINED IN THE ARTICLES OF ASSOCIATION.

                    A copy of a Statement from the Commissioner of Banks of
                    Massachusetts that no certificate of authority for the
                    trustee to commence business was necessary or issued is on
                    file with the Securities and Exchange Commission as Exhibit
                    2 to Amendment No. 1 to the Statement of Eligibility and
                    Qualification of Trustee (Form T-1) filed with the
                    Registration Statement of Morse Shoe, Inc. (File No. 22-
                    17940) and is incorporated herein by reference thereto.

          3.   A COPY OF THE AUTHORIZATION OF THE TRUSTEE TO EXERCISE CORPORATE
          TRUST POWERS, IF SUCH AUTHORIZATION IS NOT CONTAINED IN THE DOCUMENTS
          SPECIFIED IN PARAGRAPH (1) OR (2), ABOVE.

                    A copy of the authorization of the trustee to exercise
                    corporate trust powers is on file with the Securities and
                    Exchange Commission as Exhibit 3 to Amendment No. 1 to the
                    Statement of Eligibility and Qualification of Trustee (Form
                    T-1) filed with the Registration Statement of Morse Shoe,
                    Inc. (File No. 22-17940) and is incorporated herein by
                    reference thereto.

          4.   A COPY OF THE EXISTING BY-LAWS OF THE TRUSTEE, OR INSTRUMENTS
          CORRESPONDING THERETO.

                    A copy of the by-laws of the trustee, as now in effect, is
                    on file with the Securities and Exchange Commission as
                    Exhibit 4 to the Statement of Eligibility and Qualification
                    of Trustee (Form T-1) filed with the Registration Statement
                    of Eastern Edison Company (File No. 33-37823) and is
                    incorporated herein by reference thereto.

                                       2

 
          5.   A COPY OF EACH INDENTURE REFERRED TO IN ITEM 4. IF THE OBLIGOR IS
          IN DEFAULT.

                    Not applicable.

          6.   THE CONSENTS OF UNITED STATES INSTITUTIONAL TRUSTEES REQUIRED BY
          SECTION 321(B) OF THE ACT.

                    The consent of the trustee required by Section 321(b) of the
                    Act is annexed hereto as Exhibit 6 and made a part hereof.

          7.   A COPY OF THE LATEST REPORT OF CONDITION OF THE TRUSTEE PUBLISHED
          PURSUANT TO LAW OR THE REQUIREMENTS OF ITS SUPERVISING OR EXAMINING
          AUTHORITY.

                    A copy of the latest report of condition of the trustee
                    published pursuant to law or the requirements of its
                    supervising or examining authority is annexed hereto as
                    Exhibit 7 and made a part hereof.


                                     NOTES

     In answering any item of this Statement of Eligibility and Qualification
which relates to matters peculiarly within the knowledge of the obligor or any
underwriter for the obligor, the trustee has relied upon information furnished
to it by the obligor and the underwriters, and the trustee disclaims
responsibility for the accuracy or completeness of such information.

     The answer furnished to Item 2. of this statement will be amended, if
necessary, to reflect any facts which differ from those stated and which would
have been required to be stated if known at the date hereof.


                                   SIGNATURE

     Pursuant to the requirements of the Trust Indenture Act of 1939, as
amended, the trustee, State Street Bank and Trust Company, a corporation
organized and existing under the laws of The Commonwealth of Massachusetts, has
duly caused this statement of eligibility and qualification to be signed on its
behalf by the undersigned, thereunto duly authorized, all in the City of Boston
and The Commonwealth of Massachusetts, on the 28 TH DAY OF MARCH, 1996.

                                          STATE STREET BANK AND TRUST COMPANY


                                          By:     /s/ E. Decker Adams
                                              ---------------------------------
                                                      E. DECKER ADAMS
                                                      VICE PRESIDENT

                                       3

 
                                   EXHIBIT 6


                            CONSENT OF THE TRUSTEE

     Pursuant to the requirements of Section 321(b) of the Trust Indenture Act
of 1939, as amended, in connection with the proposed issuance by NABI of its 6
1/2% Convertible Subordinated Notes due 2003 , we hereby consent that reports of
examination by Federal, State, Territorial or District authorities may be
furnished by such authorities to the Securities and Exchange Commission upon
request therefor.

                                          STATE STREET BANK AND TRUST COMPANY
                                          
                                          
                                          By:     /s/ E. Decker Adams
                                               ------------------------------
                                                      E. DECKER ADAMS
                                                      VICE PRESIDENT

DATED:  MARCH 28, 1996

                                       4

 
                                   EXHIBIT 7

Consolidated Report of Condition of State Street Bank and Trust Company of
Boston, Massachusetts and foreign and domestic subsidiaries, a state banking
institution organized and operating under the banking laws of this commonwealth
and a member of the Federal Reserve System, at the close of business December
                                                                     --------
31, 1995, published in accordance with a call made by the Federal Reserve Bank
- --------
of this District pursuant to the provisions of the Federal Reserve Act and in
accordance with a call made by the Commissioner of Banks under General Laws,
Chapter 172, Section 22(a). 



                                                                   Thousands of
ASSETS                                                             Dollars
                                                                   
Cash and balances due from depository institutions:
   Noninterest-bearing balances and currency and coin...............   1,331,827
   Interest-bearing balances........................................   5,971,326
Securities..........................................................   6,325,054
Federal funds sold and securities purchased
   under agreements to resell in domestic offices
   of the bank and its Edge subsidiary..............................   5,436,994
Loans and lease financing receivables:
   Loans and leases, net of unearned income .........  4,308,339
   Allowance for loan and lease losses...............     63,491
   Loans and leases, net of unearned income and allowances..........   4,244,848
Assets held in trading accounts.....................................   1,042,846
Premises and fixed assets...........................................     374,362
Other real estate owned.............................................       3,223
Investments in unconsolidated subsidiaries..........................      31,624
Customers' liability to this bank on acceptances outstanding........      57,472
Intangible assets...................................................      68,384
Other assets........................................................     670,058
                                                                      ----------

Total assets........................................................  25,558,018
                                                                      ==========

LIABILITIES

Deposits:
   In domestic offices..............................................   6,880,231
      Noninterest-bearing...........................   4,728,115
      Interest-bearing..............................   2,152,116
   In foreign offices and Edge subsidiary...........................   9,607,427
      Noninterest-bearing...........................      28,265
      Interest-bearing..............................   9,579,162
Federal funds purchased and securities sold under
   agreements to repurchase in domestic offices of
   the bank and of its Edge subsidiary..............................   5,913,969
Demand notes issued to the U.S. Treasury and Trading Liabilities....     530,406
Other borrowed money................................................     493,191
Bank's liability on acceptances executed and outstanding............      57,387
Other liabilities...................................................     620,287
                                                                      ----------

Total liabilities...................................................  24,102,898
                                                                      ----------

EQUITY CAPITAL
Common stock........................................................      29,176
Surplus.............................................................     228,448
Undivided profits...................................................   1,197,496
                                                                      ----------

Total equity capital................................................   1,455,120
                                                                      ----------

Total liabilities and equity capital................................  25,558,018
                                                                      ==========


                                       5

 
I, Rex S. Schuette, Senior Vice President and Comptroller of the above named
bank do hereby declare that this Report of Condition has been prepared in
conformance with the instructions issued by the Board of Governors of the
Federal Reserve System and is true to the best of my knowledge and belief.

                                          Rex S. Schuette


We, the undersigned directors, attest to the correctness of this Report of
Condition and declare that it has been examined by us and to the best of our
knowledge and belief has been prepared in conformance with the instructions
issued by the Board of Governors of the Federal Reserve System and is true and
correct.

                                          David A. Spina
                                          Marshall N. Carter
                                          Charles F. Kaye

                                       6