Exhibit 32.1

CERTIFICATIONS OF CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER

PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report of Virolab, Inc. (the Company ) on Form 10-K for the period ended March 31, 2013 as filed with the Securities and Exchange Commission on the date hereof (the Annual Report) and pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (18 U.S.C. § 1350, as adopted), Ricardo Rosales, the Chief Executive Officer (Principal Executive Officer and Financial and Accounting Officer) of the Company, hereby certifies that, to the best of his knowledge:

1. The Company’s Annual Report fully complies with the requirements of Section 13(a) or Section 15(d) of the Securities Exchange Act of 1934, as amended; and

2. The information contained in the Annual Report fairly presents, in all material respects, the financial condition of the Company at the end of the periods covered by the Annual Report and the results of operations of the Company for the periods covered by the Annual Report.

July 15, 2013

/ S / Ricardo Rosales

Ricardo Rosales

Chief Executive Officer

(Principal Executive Officer and Financial and Accounting Officer)

This certification accompanies the Form 10-K to which it relates, is not deemed filed with the SEC and is not to be incorporated by reference into any filing of the Company under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended, (whether made before or after the date of the Form 10-K), irrespective of any general incorporation language contained in such filing.

Virolab, Inc. 10-K