Exhibit 16.1
November 14, 2023
Securities and Exchange Commission
100 F Street, N.E.
Washington, D.C. 20549
Commissioners:
We have read Item 4.01 of the Current Report on Form 8-K/A of Reviva Pharmaceuticals Holdings, Inc. dated November 14, 2023, which we understand will be filed with the Securities and Exchange Commission, and we agree with the statements concerning our firm contained in such Form 8-K/A. We have no basis to agree or disagree with other statements of the registrant contained therein.
Very truly yours,
/s/ Armanino LLP
Armanino LLP
San Ramon, California