EXHIBIT 10.9


                                                                  DAMD17-94-0773

                A COOPERATIVE RESEARCH AND DEVELOPMENT AGREEMENT

                                     BETWEEN

                            JENNER TECHNOLOGIES, INC.
                            TIBURON, CALIFORNIA 94920
                                   ("JENNER:)

                                       AND

                     WALTER REED ARMY INSTITUTE OF RESEARCH
                            WASHINGTON, DC 20307-5100
                                    ("WRAIR")


         A. WHEREAS the Federal  Technology  Transfer Act of 1986, 15 USC 3710a,
provides  each  Federal  agency with the  authority  to permit the  Directors of
Government-operated  Federal Laboratories to enter into cooperative research and
development  agreements  (CRDAs) with Federal  non-Federal  entities,  including
private firms and organizations.  This authority allows Federal  laboratories to
accept,  retain,  and  use  funds,   personnel,   services,  and  property  from
collaborating  parties  and to provide  personnel,  services,  and  property  to
collaborating  parties.  This authority also includes the  disposition of patent
rights  in any  inventions  which may  result  from  such  collaboration,  or by
delegation of the Assistant Secretary of the Army for Research,  Development and
Acquisition, other patent rights which are owned by the Government.

         B.  WHEREAS  WRAIR and JENNER  desire to  collaborate  in research  and
development on formulation of liposome-encapsulated vaccines.

         C.  WHEREAS  Title  41 Code of  Federal  Regulations  304  governs  the
acceptance of payment from  non-federal  sources for travel  expenses and is the
authority  for  receipt  of  in-kind  travel  expenses  contemplated  under this
Agreement.

         NOW, THEREFORE, the parties agree as follows:

ARTICLE 1.        DEFINITIONS

         As used in this Agreement, the following terms shall have the following
meanings and such meanings should be equally applicable to both the singular and
the plural forms of the terms defined:

         1.1  "Agreement"  means  this  Cooperative   Research  and  Development
Agreement.

         1.2  "Invention"  means any  invention or discovery  which is or may be
patentable or otherwise protected under Title 35 of the United States Code.



                                       -1-





         1.3 "Made" in relation to any Invention  means the  conception or first
actual reduction to practice of such Invention.

         1.4 "Proprietary  Information"  means JENNER  information marked with a
proprietary  legend or orally  disclosed  by JENNER which  embodies  proprietary
technical  information  or trade  secrets  which  is  confidential  business  or
financial information provided that such information:

                    (i) is not generally  known or available  from other sources
without obligations concerning their confidentiality;

                    (ii) has not been  made  available  by the  owners to others
without obligation concerning its confidentiality; and

                    (iii) is not already  available  to the  Government  without
obligation concerning its confidentiality.

         1.5 "Subject Data" means all recorded  information,  including  without
limitation, protocols, procedures, data and results, in any form, first produced
in the performance of this Agreement.

         1.6 "Subject  Invention" means any invention Made in the performance of
work under this Agreement.

Article 2.        Sponsored Research

         2.1 Scope of Work.  Sponsored  research  performed under this Agreement
shall be performed in accordance with the Statement of Work (SOW),  incorporated
as a part of this  Agreement  at  Appendix  A.  WRAIR  agrees to  provide  WRAIR
resources, facilities and equipment required for the performance of the SOW.

         2.2 Review of Work.  Quarterly  conferences shall be held between WRAIR
and JENNER personnel for the purpose of reviewing the progress of the work under
this Agreement.  It is understood that the nature of this sponsored  research is
such that completion within the period of performance  specified,  or within the
limits of financial support allocated, cannot be guaranteed.  Accordingly, it is
agreed that all sponsored  research will be performed by WRAIR on a best efforts
basis.

         2.3 Principal Investigator(s). Any work required by WRAIR under the SOW
will be performed under the direction of [*], who as  co-principal  investigator
has  responsibility  for the scientific and technical conduct of this project on
behalf of WRAIR.  Any work  required by JENNER  under the SOW will be  performed
under the direction of [*], who as co-principal  investigator has responsibility
for the scientific and technical conduct of this project on behalf of JENNER.



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         2.4 [*] agrees to [*] and be [*] to the  performance of work under this
Agreement.  The  parties  will  mutually  agree  upon the [*]  pursuant  to this
section.  [*] will be  solely  [*]  and,  in  performing  the  work  under  this
Agreement,  [*] but only those entitlements and benefits provided pursuant to an
employment  contract  between [*] will be a [*] who will be assigned  [*]. It is
understood  by [*] that this is a  commitment  of [*] and that such  employee is
required for the  performance  of the work.  [*] agrees to assign [*] to the [*]
and to  provide  the [*]  access to those [*] and  resources  necessary  for the
accomplishment of the SOW, consistent with the [*] internal management policies.
[*] agrees to continue the [*], even if this Agreement is terminated earlier.

         2.5  Scope  Change.  If at any time  either  co-principal  investigator
determines that the research data dictates a substantial change in the direction
of the  work,  the  parties  shall  make a good  faith  effort  to  agree on any
necessary change(s) to the SOW.

         2.6 Final Report.  The parties  shall  prepare a final  written  report
detailing  the Subject Data and the results and  achievements  of this  research
collaboration,  including,  without limitation,  any Subject Inventions,  within
three months after completing the SOW.

Article 3.        Financial Obligation

         3.1 Performance  Condition.  The performance of research by WRAIR under
this  Agreement  is  conditioned  on the  advance  payment  by JENNER of WRAIR's
partial  cost for the  performance  of the  research as provided in Section 3.2.
WRAIR shall not be obligated to perform any of the research  specified herein or
to take any other action  required by this  Agreement if the agreed to funds are
not deposited as required by this Article.

         3.2 Deposit Account.  JENNER shall pay a total of [*] to WRAIR upon the
execution of this  Agreement for the  performance  of the research  specified by
Article 2. Such funds  shall be  deposited  in  Department  of the Army  Special
Collaborative Agreement Account No. ______.

         3.3  Accounting  Records.  WRAIR shall  maintain  separate and distinct
current accounts,  records,  and other evidence  supporting all its expenditures
under this Agreement.  WRAIR shall provide JENNER a semiannual report accounting
for the use of JENNER's  funds and a final fiscal report within six months after
completing the SOW or ending its research and development  activities under this
Agreement.  The  accounts and records of WRAIR which are relevant to the conduct
of this project  shall be available  for  reasonable  inspection  and copying by
JENNER or its authorized representative at least once per year.

Article 4.        Title to Physical Property

         4.1 Physical Property. All materials or equipment developed or acquired
under this  Agreement  by the parties  shall be the  property of the party which
developed or acquired the property.



                                       -3-






ARTICLE 5.        PATENT RIGHTS

         5.1  Reporting.  Each party  shall  promptly  notify  each other of all
Subject  Inventions  reported  to either  party by its  employees  and provide a
detailed  written  description of each Subject  Invention within 30 days of when
any  Subject  Invention  is  Made.  All  Subject   Inventions  Made  during  the
performance  of this Agreement  shall be listed in the Final Report  required by
this Agreement.

         5.2 JENNER Subject Inventions. WRAIR, on behalf of the U.S. Government,
waives any ownership rights the U.S.  Government may have in Subject  Inventions
Made by JENNER  employees  and agrees that JENNER shall retain  ownership of and
title to any Subject  Inventions made solely by JENNER  employees.  JENNER shall
file patent  applications  on JENNER's  Subject  Inventions  at its own expense.
JENNER agrees to grant the U.S. Government a nonexclusive,  irrevocable, paid-up
license under its interest in any patents  covering a JENNER Subject  Invention,
to practice  or have  practiced,  such  patents  throughout  the world by, or on
behalf of the U.S. Government. Such nonexclusive license shall be evidenced by a
confirmatory  license  agreement  prepared by JENNER in a form  satisfactory  to
WRAIR.

         5.3 WRAIR Subject Inventions.  WRAIR, on behalf of the U.S. Government,
shall  retain  ownership  of and title to, and file  patents  on,  each  Subject
Invention  Made  solely by WRAIR  employees.  WRAIR  agrees  to grant  Jenner an
exclusive license to such Subject Inventions, pursuant to Section 5.7 herein.

         5.4 Joint Subject Inventions.  In the event that Subject Inventions are
made jointly by WRAIR and JENNER  employees,  each party shall have an undivided
interest in such Subject Inventions. WRAIR shall have the initial option to file
patents on each Subject  Invention  Made jointly by JENNER and WRAIR  employees.
WRAIR agrees to license to Jenner its entire  right,  title and interest in each
such joint Subject Invention,  pursuant to Section 5.7 herein.  JENNER agrees to
grant the U.S. Government a nonexclusive, irrevocable, paid-up license under its
interest in any patents covering a joint Subject Invention,  to practice or have
practiced,  such  patents  throughout  the  world  by,  or on behalf of the U.S.
Government.  Such  nonexclusive  license  shall be evidenced  by a  confirmatory
license agreement prepared by JENNER in a form satisfactory to WRAIR.

         5.5 Filing of Patent Applications. The party having the right to retain
title and/or file patent  applications on a specific Subject Invention may elect
not to file patent  applications,  provided it so advises the other party within
90 days from the date it  reports  the  Subject  Invention  to the other  party.
Thereafter, the other party may elect to file patent applications on the Subject
Invention at its own expense.

         5.6 Patent  Expenses.  The  expenses  attendant to the filing of patent
applications  shall be [*] shall provide [*] documents  retained in the official
patent application files by the applicable patent office. The parties [*] patent
applications resulting from this Agreement.

         5.7      Exclusive License.



                                       -4-






                  5.7.1 Grant. WRAIR, on behalf of the U.S.  Government,  hereby
agrees to grant to JENNER an exclusive  irrevocable license, with right to grant
and authorize sublicenses, to each U.S. and foreign patent application,  and any
division,    substitution,    continuation,    continuations-in-part   of   such
applications,  and any  patents  issued  thereon,  and any  renewal,  extension,
re-issue,  or re-examination  thereof,  covering a Subject  Invention,  which is
owned in whole or part by WRAIR on behalf of the U.S.  Government,  to  develop,
make, have made, use, sell, and have sold products and processes covered by such
patents and patent  applications,  subject to the reservation of a nonexclusive,
irrevocable,  paid-up  license  to  practice  and  have  practiced  the  Subject
Invention(s) on behalf of the U.S. Government.

                  5.7.2 Exclusive  License Terms.  JENNER shall elect or decline
to exercise its right to acquire an exclusive  license to any Subject  Invention
within [*] of being informed by WRAIR of the Subject Invention. The terms of the
license provided for in Section 5.7.1 shall be negotiated promptly in good faith
and in conformance with the laws of the United States but shall include at least
the following terms: (i) a royalty rate of [*] within the scope of a valid claim
of an issued  patent  claiming a Subject  Invention  jointly  owned by WRAIR and
JENNER;  (ii) a royalty  rate of [*]  within  the  scope of a valid  claim of an
issued patent  claiming a Subject  Invention owned solely by WRAIR. In addition,
such license  shall  provide for the payment of milestone  payments by JENNER to
WRAIR,  on a  product-by-product  basis,  of: (i) [*],  and (ii) [*];  provided,
however,  no milestone  payments  shall be required  with  respect to [*].  Such
license shall terminate,  on a country-by  country basis, upon the expiration of
any patents  licensed to Jenner pursuant to this Section 5.7, unless  terminated
earlier pursuant to the terms of such Agreement.

ARTICLE 6.        DATA AND PUBLICATION

         6.1 Rights.  Subject Data shall be jointly owned by the parties and may
be used by either  party,  subject to this Article 6. Either  party shall,  upon
request,  have the right to review and receive  copies of all Subject Data which
has not been delivered to the other party.

         6.2  Proprietary   Information.   WRAIR  agrees  that  any  Proprietary
Information   furnished  by  JENNER  to  WRAIR  under  this  Agreement,   or  in
contemplation  of this  Agreement,  shall be used,  reproduced  and disclosed by
WRAIR only for the  purpose of  carrying  out this  Agreement,  and shall not be
disclosed by WRAIR to third parties unless prior written  consent to the release
is obtained from JENNER.

         6.3 Release Restrictions. WRAIR shall have the right to use all Subject
Data for any U.S.  Governmental  purpose,  but shall not  release  Subject  Data
publicly  except:  (i) subject to Section 6.4,  WRAIR,  in reporting  results of
sponsored  research,  may publish  Subject Data in technical  articles and other
documents  to the extent it  determines  to be  appropriate;  and (ii) WRAIR may
release such Subject Data where such release is required by law or court order.

         6.4  Publication.  WRAIR  and  JENNER  agree  to  confer  prior  to the
publication  of any Subject Data to assure that no  Proprietary  Information  is
released and that patent rights are not


                                       -5-





jeopardized.  Prior to  submitting  an abstract or  manuscript  for review which
contains any Subject Data or results of the research under this Agreement,  each
party shall have [*] to review each such proposed  abstract or  manuscript.  Nor
shall WRAIR make any oral  disclosure of Subject Data to third  parties  without
providing  JENNER a written  description  of the topic and  contents of any such
proposed disclosure at least [*] in advance of any oral disclosure.

         6.5 FDA Documents.  If this Agreement  involves a product  regulated by
the U.S. Food and Drug  Administration  (FDA),  then the JENNER or the U.S. Army
Medical Research and Development Command, as appropriate,  may file Subject Data
or any  required  documentation  relating  to the SOW with  the  FDA;  provided,
however,  each party shall request that any such filings be treated confidential
to the maximum  extent  allowed by law. In addition,  the parties  authorize and
consent  to  allow  each  other or its  contractor  or agent  access  to,  or to
cross-reference, any documents filed with the FDA related to the product.

ARTICLE 7.        REPRESENTATIONS AND WARRANTIES.

         7.1  Representations  and Warranties of WRAIR.  WRAIR hereby represents
and warrants to JENNER as follows:

                  7.1.1 Organization.  WRAIR is a Federal laboratory of the U.S.
Army  Medical  Research  and  Development  Command  and is  wholly  owned by the
Government of the United States and whose substantial purpose is the performance
of research, development or engineering;

                  7.1.2 Mission.  The performance of the activities specified by
this Agreement are consistent with the mission of the WRAIR;

                  7.1.3  Authority.  All prior  reviews  and  approvals  of this
Agreement  required by  regulations  or law have been obtained by WRAIR prior to
the execution of this Agreement.  The WRAIR official executing this Agreement on
behalf  of WRAIR  has the  requisite  authority  to do so.  Notwithstanding  the
delegation of authority to execute this Agreement to the individual  designated,
the  Secretary of the Army has reserved to the  Assistant  Secretary of the Army
(Research, Development and Acquisition) the opportunity provided by 15 USC Sect.
3710a(c)(5)(A),  to disapprove  or require the  modification  of this  Agreement
within 30 days of the date it is presented to him or her by WRAIR;

                  7.1.4  Statutory   Compliance.   WRAIR's  Commander  prior  to
entering into this  Agreement has given special  consideration  to entering into
CRDAs with small business firms and consortia involving small business firms.

                  7.1.5 No  Conflicting  Agreements.  WRAIR  has not  previously
entered and during the term of this  Agreement will not enter any agreement with
any third  party  granting  rights  inconsistent  with  those  granted to JENNER
herein.



                                       -6-







         7.2 Representations and Warranties of JENNER.  JENNER hereby represents
and warrants to WRAIR as follows:

                  7.2.1 Corporate  Organization.  JENNER, as of the date hereof,
is a corporation duly organized, validly existing and in good standing under the
laws of the State of California;

                  7.2.2 Power and Authority.  JENNER has the requisite power and
authority  to enter into this  Agreement  and to perform  according to the terms
thereof;

                  7.2.3 Due Authorization. The Board of Directors of JENNER have
taken all actions required to be taken by law, JENNER's Charter,  Certificate or
Articles of Incorporation,  its bylaws or otherwise,  to authorize the execution
and delivery of this Agreement;

                  7.2.4 No  Violation.  To the best of JENNER's  knowledge,  the
execution  and  delivery of this  Agreement  does not  contravene  any  material
provision  of, or  constitute a material  default  under any material  agreement
binding on JENNER,  or any valid order of any court, or any regulatory agency or
other body having authority to which JENNER is subject.

ARTICLE 8.        TERMINATION.

         8.1  Termination  by  Mutual  Consent.  JENNER  and  WRAIR may elect to
terminate this Agreement, at any time by mutual consent.

         8.2  Termination by Unilateral  Action.  Either party may  unilaterally
terminate  this entire  Agreement at any time by giving the other party  written
notice, not less than 30 days prior to the desired termination date.

         8.3  Termination  Procedures.  In the event this  Agreement  terminates
before the SOW is completed,  the parties shall return to the other all property
or information,  including Proprietary  Information,  owned solely by the other.
Each party shall have the right to retain any joint property in its  possession;
provided, however, that any party in the sole possession of joint property shall
promptly provide the other party with a copy or sample of such joint property on
the  request  of the other  party.  Upon the  receipt  of a written  termination
notice,  the  parties  shall not make any new  commitments  that  relate to this
Agreement.

         8.4  Termination  Costs.  Within 90 days following  termination of this
Agreement,  WRAIR shall  submit a statement of all costs  incurred  prior to the
date of termination and for all termination costs. Any unspent funds provided to
WRAIR by  JENNER  shall be used to fund  reasonable  termination  costs  and any
remainder  returned to Jenner.  In the event funds are insufficient to cover all
of the termination costs, JENNER agrees to promptly meet with WRAIR to negotiate
a  settlement  agreement  regarding  the  payment  of any  remaining  reasonable
termination costs.

ARTICLE 9.        DISPUTES.


                                       -7-





         9.1  Settlement.  Any dispute arising under this Agreement which is not
disposed of by agreement of the  co-principal  investigators  shall be submitted
jointly  to the  signatories  of  this  Agree  ment.  A  joint  decision  of the
signatories  or  their  designees  shall  be the  disposition  of such  dispute.
Notwithstanding the above,  nothing in this section shall prevent any party from
pursuing  any and all  administrative  and/or  judicial  remedies  which  may be
allowable.

ARTICLE 10.   LIABILITY.

         10.1 Property.  Neither party shall be  responsible  for damages to any
property  provided  to,  or  acquired  by,  the  other  party  pursuant  to this
Agreement.

         10.2 JENNER's  Employees.  JENNER agrees to indemnify and hold harmless
the U.S.  Government  for any  loss,  claim,  damage  or  liability  of any kind
involving an employee of JENNER arising in connection  with this Agreement under
the  provisions  of the Federal Tort Claims Act,  except to the extent that such
loss,  claim,  damage or liability is due in whole or part to the  negligence or
wilful misconduct of WRAIR.

         10.3 No  Warranty.  Except as  specifically  stated  elsewhere  in this
Agreement,  WRAIR  makes  no  express  or  implied  warranty  as to  any  matter
whatsoever, including the conditions of the research or any Subject Invention or
product,  whether  tangible  or  intangible,   made,  or  developed  under  this
Agreement,  or the  ownership,  merchantability,  or  fitness  for a  particular
purpose of the research or any Subject Invention.

         10.4  Indemnification.  JENNER holds the U.S.  Government  harmless and
indemnifies the U.S. Government for all liabilities,  demands, damages, expenses
and losses  arising out of use by JENNER of research and technical  developments
solely owned by WRAIR developed  pursuant to this Agreement,  or out of any use,
sale or other  disposition  by JENNER of products  made by the use of  technical
developments  solely  owned  by  WRAIR  developed  pursuant  to this  Agreement;
provided,  however,  in no case shall JENNER be obligated to indemnify  WRAIR or
the U.S.  Government  for any amount in excess of the research funds provided by
JENNER  to WRAIR  pursuant  to this  Agreement.  This  provision  shall  survive
termination or expiration of this Agreement.

ARTICLE 11.   MISCELLANEOUS.

         11.1 No  Benefits.  No member  of, or  delegate  to the  United  States
Congress,  or resident  commissioner,  shall be admitted to any share or part of
this Agreement,  nor to any benefit that may arise therefrom; but this provision
shall not be  construed to extend to this  Agreement if made with a  corporation
for its general benefit.

         11.2 Governing Law. This Agreement shall be governed by the laws of the
United States Government.



                                       -8-







         11.3 Further  Assurances.  From time to time, either party shall at the
request of the other: (i) deliver to the other party such records, data or other
documents  consistent  with the provisions of this  Agreement;  (ii) execute and
deliver or cause to be delivered, all such consents,  assignments,  licenses, or
further  instruments  of  transfer as  provided  by the  Agreement  to allow the
parties to obtain the benefits provided for herein.

         11.4 Notices.  All notices  pertaining to or required by this Agreement
shall be in  writing  and shall be signed by an  authorized  representative  and
shall be delivered by hand or sent by certified mail, return receipt  requested,
with postage prepaid, addressed as follows:

         If to JENNER:          Anthony E. Maida, III
                                Chief Executive Officer
                                JENNER Technologies, Inc.
                                1895 Mountain View Drive
                                Tiburon, California 94920

         If to WRAIR:           Director
                                Walter Reed Army Institute of Research
                                ATTN: Office of Research Management
                                Washington, D.C.  20307-5100

Any party may  change  such  address by notice  given to the other  party in the
manner set forth above.

         11.5 Independent  Contractors.  The relationship of the parties to this
Agreement is that of independent  contractors and not as agents of each other or
as joint venturers or partners.

         11.6 Use of Name or Endorsements.  (i) JENNER shall not use the name of
WRAIR or the  Department of the Army on any product or service which is directly
or  indirectly  related  to either  this  Agreement  or any  patent  license  or
assignment agreement which implements this Agreement, without the prior approval
of WRAIR.  (ii) By  entering  into this  Agreement  WRAIR does not  directly  or
indirectly  endorse  any  product or service  provided,  or to be  provided,  by
JENNER,  its successors,  assignees,  or licensees.  JENNER shall not in any way
imply that this Agreement is an endorsement of such products or service.

         11.7 The rights specified in the provisions of this Agreement  covering
"Patent  Rights,"  "Data and  Publication,"  and  "Liability"  shall survive the
termination or expiration of this Agreement.

ARTICLE 12.       DURATION OF AGREEMENT AND EFFECTIVE DATE

         12.1 Expiration of Agreement.  This Agreement will automatically expire
on December 15, 1994, unless terminated earlier as provided by the terms of this
Agreement.

         12.2  Effective  Date.  This  Agreement  shall  enter  into force as of
December 15, 1993.


                                       -9-






         IN WITNESS  WHEREOF,  the  Parties  have caused  this  Agreement  to be
executed by their duly authorized representatives as follows:


For JENNER TECHNOLOGIES, INC.:


         10/20/93                      /s/ ANTHONY E. MAIDA
- -------------------------------        ---------------------------------------
Date                                   Anthony E. Maida, III
                                       Chief Executive Officer
                                       JENNER Technologies, Inc.


For the U.S. GOVERNMENT:


         30 September '93              /s/ AUGUST J. SALVADO
- -------------------------------        ---------------------------------------
Date                                   August J. Salvado
                                       Colonel, Medical Corps
                                       Director, Walter Reed Army Institute of
                                       Research



                                      -10-







Cooperative  Research  and  Development   Agreement  Between  WRAIR  and  JENNER
Technologies, Inc.


                                   APPENDIX A

                                STATEMENT OF WORK

[*]




                                       -1-







                                                                  DAMD17-94-0773

                             NOTICE OF MODIFICATION
                                       of
                 COOPERATIVE RESEARCH AND DEVELOPMENT AGREEMENT
                                     between
                     WALTER REED ARMY INSTITUTE OF RESEARCH
                                       and
                            JENNER TECHNOLOGIES, INC.


         WHEREAS,   the  Walter  Reed  Army  Institute  of  Research  ("WRAIR"),
Washington,  DC and Jenner Technologies,  Inc. ("JENNER"),  828 Eastbrook Court,
Danville,  California  94506-1206,  entered  into  a  Cooperative  Research  and
Development  Agreement  ("Agreement")  (Department  of the Army  Control  Number
9311-M-C318,  U.S. Army Medical  Research and Materiel  Command  Control  Number
DAMD17-94-0773)   on  December  15,  1993  for  research  and   development   on
"Formulation of Liposome-Encapsulated Vaccines," and inasmuch the parties desire
to modify the expiration date and the financial reimbursement  provisions of the
Agreement,

         NOW, THEREFORE, the parties agree as follows:

         1. In Article 12.1 of the Agreement,  the expiration date "December 15,
1994" is changed to read "December 15, 1997";

         2. Article 3.2 of the Agreement is changed to read as follows:

                  "3.2 Deposit Account:  JENNER shall reimburse WRAIR a total of
[*] for the performance of the research specified by Article 2. Such funds shall
be deposited in Department of the Army Special  Collaborative  Agreement Account
No. [to be named] as follows:

[*]










         IN WITNESS WHEREOF,  the parties have caused these  modifications to be
executed by their duly authorized representatives as follows:


                                       For JENNER TECHNOLOGIES, INC.:


                                       /s/ ANTHONY E. MAIDA, III
                                       ----------------------------------------
                                       Anthony E. Maida, III
                                       Chief Executive Officer

                                       Date: March 9, 1995
                                             ----------------------------------

                                       For the UNITED STATES GOVERNMENT:


                                       /s/ AUGUST J. SALVADO
                                       ----------------------------------------
                                       August J. Salvado
                                       Colonel, Medical Corps
                                       Director, Walter Reed Army Institute of
                                       Research

                                       Date: 17 March '95
                                             ----------------------------------





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