Meridian Bioscience (VIVO) 8-K Changes in Registrant's Certifying Accountant

Exhibit 16.1

December 28, 2020

U.S. Securities and Exchange Commission

Office of the Chief Accountant

100 F Street, NE

Washington, DC 20549

Re: Meridian Bioscience, Inc.

File No. 0-14902

Dear Sir or Madam:

We have read Item 4.01 of Form 8-K of Meridian Bioscience, Inc. dated December 22, 2020, and agree with the statements concerning our Firm contained therein.

Very truly yours,

/s/ GRANT THORNTON LLP