HIV-VAC To Investigate IMNR's HIV Vaccine Setback 
   TORONTO, ONTARIO (June 3) BUSINESS WIRE -June 3, 1999--HIV-VAC, Inc,  (OTC BB:HIVC) announced today that Dr. Gordon Skinner, MD (Hons), DSc,  FRCOG, FRCPath, the developer of HIV-VAC's HIV vaccine has expressed  interest in Immune Response Corp's (NASDAQ:IMNR) Remune HIV vaccine  tests that have ended due to their minimal effect when added to  conventional anti-HIV "cocktail" therapies. 
   "I am very interested in examining Immune Response Corp.'s conclusion  of their Phase III HIV vaccine trials. This was done on the  recommendation of an Independent Data Safety Monitoring Board (DSMB),"  Dr. Skinner said. "We will be requesting detailed, unprocessed  information on these trials from the DSMB to help us further our  development of our HIV-VAC vaccine which will begin clinical trials  within six to nine months." 
   HIV-VAC's HIV vaccine was developed by Dr. Skinner at the University  of Birmingham, United Kingdom. It has been under development for the  last 10 years. Toxicity trials are almost completed. 
   Dr. Skinner added, "The HIV-VAC vaccine is expected to prevent the  disease, and also may prevent the onset of AIDS in HIV-positive  patients. Many scientists have been working on a vaccine for AIDS over  the last 10 years. We have developed a new approach to the AIDS problem  through the creation of an intracellular vaccine based on technology  proven in clinical trials with herpes genitalis and pre-clinical  research into cytomegalovirus and equine herpes vaccines." 
   The HIV-VAC patented intracellular vaccine approach includes gp120/160  and uses core proteins p55, p24, p17 and others. The multi-protein  approach used by HIV-VAC covers the whole spectrum of HIV virus  proteins and is believed to offer a rational approach both as a vaccine  and for therapeutic purposes. Because the HIV-VAC vaccine proteins are  harvested from virus particles and from intracellular virus-coded  proteins, the entire spectrum of virus proteins is available for  presentation to the immune system. 
   The United Nations estimates that there are currently 30.6 million  people infected worldwide with the AIDS virus. The disease is spreading  at a rate of 10,000 people each day. It is estimated that the number of  people infected with the AIDS virus by the end of the year 2000 will be  55 million. 
   The statements contained in this release which are not historical  facts contain forward-looking information with respect to plans,  projections or future performance of the company; the occurrence of  which involves certain risks and uncertainties that could cause the  company's actual results to differ materially from expected results.  Such risks include the timing of implementation and the scope and  success of the program described here. 
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   CONTACT: HIV-VAC, Toronto            K. Jelsing, Investor Relations
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