EXHIBIT 32.1

                              CAVIT SCIENCES, INC.
                CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350,
                            SECTION 906 CERTIFICATION

Pursuant to 18 U.S.C. Section 1350, the undersigned Chief Executive Officer and
Chief Financial Officer of Cavit Sciences, Inc. (the "Company"), hereby
certifies, to such officer's knowledge, that the Company's Quarterly Report on
Form 10-QSB for the quarter ended September 30, 2006 (the "Report") fully
complies with the requirements of Section 13(a) or Section 15(d), as applicable,
of the Securities Exchange Act of 1934 and that the information contained in the
Report fairly presents, in all material respects, the financial condition and
results of operations of the Company.


By: /s/ Colm J. King
   ----------------------------------
   Colm J. King
   President, Chief Executive Officer
   and Chief Financial Officer

Date: November 14, 2006