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                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                    FORM 8-K

                                 CURRENT REPORT

                       Pursuant to Section 13 or 15(d) of
                       The Securities Exchange Act of 1934

          Date of Report (date of earliest event reported): May 2, 2006

                                   TANOX, INC.
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             (Exact name of registrant as specified in its charter)

            Delaware                   000-30231               76-0196733
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  (State or other jurisdiction     (Commission File No.)    (I.R.S. Employer
       of incorporation)                                   Identification No.)

           10301 Stella Link Houston, Texas                   77025-5497
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       (Address of principal executive offices)               (Zip code)

        Registrant's telephone number, including area code: 713-578-4000

Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligations of the registrant under any of the
following provisions (see General Instruction A.2.below):

[ ]  Written communications pursuant to Rule 425 under the Securities
     Act (17 CFR 230.425)

[ ]  Soliciting material pursuant to Rule 14a-12 under the Exchange
     Act (17 CFR 240.14a-12)

[ ]  Pre-commencement communications pursuant to Rule 14d-2(b) under the
     Exchange Act (17 CFR 240.14d-2(b))

[ ]  Pre-commencement communications pursuant to Rule 13e-4(c) under the
     Exchange Act (17 CFR 240.13e-4(c)) Item 2.02. Results of Operations and
     Financial Condition.

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Item 2.02.     Results of Operations and Financial Condition.

Item 9.01      Financial Statements and Exhibits

(d)  Exhibit   Press release dated May 2, 2006.

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                                   SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.

Date:  May 2, 2006                              TANOX, INC.


                                                By:  Gregory Guidroz
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                                                     Gregory Guidroz
                                                     Vice President, Finance

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