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Link to AIDS Is Seen In Virus Affecting Pigs

Associated Press - March 7, 1986


An African virus that causes a disease in pigs that resemble AIDS may have been present in some American AIDS patients, according to a new study.

Evidence of infection with African swine fever virus was found in 9 of 21 American AIDS patients tested but in only 1 of 16 healthy Americans tested, according to a study to be published Saturday in The Lancet, a British medical journal.

The study challenges the belief that acquired immune deficiency syndrome is caused solely by the virus HTLV-III.

"I don't think we're trying to say that HTLV-III is out and A.S.F.V. is in" as the cause of AIDS, John Beldekas, a researcher at the Boston University School of Medicine and the principal author of the new study, said. "What we're saying is that AIDS is complicated. It can't be explained solely by HTLV-III."

Flossie Wong-Staal, a molecular biologist at the National Cancer Institute, where HTLV-III was discovered, said other viruses, including hepatitis B virus, had been found in AIDS patients.

Mr. Beldakas said the new study did not suggest that AIDS could be contracted by eating pork. One of his co-authors, Jane Teas, a former cancer researcher, suggested in a letter to The Lancet in 1983 that African swine fever virus might have some link to AIDS. She had learned that an epidemic of swine fever had occurred in Haiti about the same time that AIDS was discovered there.


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