POWER OF ATTORNEY

	"Know all by these present, that the undersigned hereby constitutes and
appoints each of Anthony Ramos "
"and Sandy Medina or either of them signing singly, and with full power of
substitution, the undersigned's true and "
lawful attorney-in-fact to:

	-1	"execute for and on behalf of the undersigned, in the undersigned's capacity
as an "
"officer, director and/or more than 10% stockholder of Vical Incorporated (the
""Company""), "
"Forms 3, 4, and 5 in accordance with Section 16(a) of the Securities Exchange
Act of 1934 and the "
rules thereunder;

	-2	do and perform any and all acts for and on behalf of the undersigned which
may
"be necessary or desirable to complete and execute any such Form 3, 4, or 5,
complete and execute "
"any amendment or amendments thereto, and timely file such form with the SEC and
any stock "
exchange or similar authority; and

	-3	take any other action of any type whatsoever in connection with the
foregoing
"which, in the opinion of such attorney-in-fact, may be of benefit to, in the
best interest of, or "
"legally required by, the undersigned, it being understood that the documents
executed by such "
attorney-in-fact on behalf of the undersigned pursuant to this Power of Attorney
shall be in such
form and shall contain such terms and conditions as such attorney-in-fact may
approve in such
attorney-in-fact's discretion.

       The undersigned hereby grants to each such attorney-in-fact full power
and authority to do and perform any
"and every act and thing whatsoever requisite, necessary, or proper to be done
in the exercise of any of the rights and "
"powers herein granted, as fully to all intents and purposes as the undersigned
might or could do if personally present, "
"with full power of substitution or revocation, hereby ratifying and confirming
all that such attorney-in-fact, or such "
"attorney-in-fact's substitute or substitutes, shall lawfully do or cause to be
done by virtue of this power of attorney "
"and the rights and powers herein granted.  The undersigned acknowledges that
the foregoing attorneys-in-fact, in "
"serving in such capacity at the request of the undersigned, are not assuming,
nor is the Company assuming, any of "
the undersigned's responsibilities to comply with Section 16 of the Securities
Exchange Act of 1934.

	This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to
"file Forms 3, 4, and 5 with respect to the undersigned's holdings of and
transactions in securities issued by the "
"Company, unless earlier revoked by the undersigned in a signed writing
delivered to the foregoing attorneys-in-fact.  "
The undersigned hereby revokes all previous powers of attorney granted with
respect to the undersigned's holdings
of and transactions in securities issued by the Company.

	"IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of this "
"25th day of May, 2017."



/s/ MAMMEN MAMMEN
Signature