UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER
PURSUANT TO RULE 13a-16 OR 15d-16
UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of December 2025

Commission File Number: 001-41440

Virax Biolabs Group Limited

(Registrant’s Name)

BioCity Glasgow

Bo-Ness Road Newhouse

Lanarkshire, ML1 5UH

United Kingdom

(Address of Principal Executive Offices)

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

Form 20-F ☒ Form 40-F ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ☐

When used in this Form 6-K, unless otherwise indicated, the terms "Virax Biolabs", “the Company,” “Virax,” “we,” “us” and “our” refer to Virax Biolabs Group Limited. and its subsidiaries.

Information Contained in this Form 6-K Report

Interim Financial Statements

On December 2, 2025, Virax Biolabs Group Limited issued unaudited interim financial statements as of September 30, 2025. Attached hereto and incorporated by reference herein are the following exhibits.

Exhibits

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 thereunto duly authorized.