EXHIBIT 16 January 16, 2002 Securities and Exchange Commission Mail Stop 11-3 450 Fifth Street, NW Washington, D.C. 20549 Dear Sirs/Madams: We have read and agree with the comments in Item 4 of Form 8-K of OXIS International, Inc. dated January 14, 2002. Yours truly, /s/ DELOITTE & TOUCHE LLP