Certification Pursuant to Rule 30a-2(b) under the 1940 Act and Section 906 of
                            the Sarbanes-Oxley Act

I, George R. Aylward, President of The Zweig Fund, Inc. (the "Registrant"),
certify that:

    1. The Form N-CSR of the Registrant containing the financial statements
       (the "Report") fully complies with the requirements of Section 13(a) or
       15(d) of the Securities Exchange Act of 1934, as amended; and

    2. The information contained in the Report fairly presents, in all material
       respects, the financial condition and results of operations of the
       Registrant.

Date: 3/9/07                        /s/ George R. Aylward
                                    -----------------------------
                                    George R. Aylward, President
                                    (principal executive officer)

I, Nancy G. Curtiss, Treasurer of The Zweig Fund, Inc. (the "Registrant"),
certify that:

    1. The Form N-CSR of the Registrant containing the financial statements
       (the "Report") fully complies with the requirements of Section 13(a) or
       15(d) of the Securities Exchange Act of 1934, as amended; and

    2. The information contained in the Report fairly presents, in all material
       respects, the financial condition and results of operations of the
       Registrant.

Date: 3/9/07                        /s/ Nancy G. Curtiss
                                    -----------------------------
                                    Nancy G. Curtiss, Treasurer
                                    (principal financial officer)