EXHIBIT 23.1



                   CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS



As independent public accountants, we hereby consent to the incorporation of
our report included in this Form 10-K, into Vical Incorporated's previously
filed Registration Statements Files No. 33-60826, No. 33-60824, No. 33-81602,
No. 33-81600, No. 33-87972, No. 333-30181, No. 333-60293, No. 333-80681 and
No. 333-66254.



/s/ ARTHUR ANDERSEN LLP

San Diego, California
March 25, 2002