EX-16.1 3 d92930ex16-1.txt LETTER ON CHANGE IN CERTIFYING ACCOUNTANT EXHIBIT 16.1 Securities and Exchange Commission Mail Stop 11-3 450 5th Street, N.W. Washington, D.C. 20549 Dear Sirs/Madams: We have read and agree with the comments in Items 4(a) of Form 8-K of Amarillo Biosciences, Inc. dated December 10, 2001. Yours truly, /s/ Ernst & Young, LLP