Copyright 1997 by Ralph W. Moss, Ph.D.

We have written in Cancer Therapy about MTH-68, a treatment that involves deliberately infecting patients with the virus that causes Newcastle Disease of poultry.

Many questions remain about why an infection with one virus sometimes "cures" those suffering from other infections or diseases.

A recent article gives some clues to this old puzzle. The article is entitled, "To kill or cure: options in host defense against viral infection," and appeared in Current Opinion in Immunology last year (1996;8:476-483). The authors are Drs. Luca G. Guidotti and Francis V. Chisari of the Scripps Research Institute in La Jolla, CA. They discuss the complex interrelationship in the liver between the viruses that cause the three main types of hepatitis.

The Scripps scientists write that sometimes when a person's liver is infected with the very dangerous hepatitis B virus [HBV], they are unexpectedly cured if they simultaneously contract another liver infection.

A "co-infection or superinfection of the HBV-infected liver by other pathogens could facilitate HBV clearance," they write. It's an astonishing idea. But the concurrent viruses may stimulate the production of cytokines such as interferon and tumor necrosis factor.

They note that "cytokine-activated pathways may be operative in other viral infections."

This startling observation is consistent with case histories showing that chronic "hep B" infections sometimes go into remission when the patient comes down with an additional infection with either hepatitis A or C.


Obviously no one is going to infect a patient with either hepatitis A or C in the hope of curing him. That is why Dr. Laszlo Csatary's idea makes such sense. For years, he been using the harmless Newcastle Disease Virus (NDV) for a similar purpose. NDV is almost completely lacking in side effects in humans. (The worst it has been known to cause in humans is conjunctivitis or "pinkeye.")

For over 25 years Csatary has insisted that one virus can beneficially interfere with another, either stimulating an immune reaction or else possibly competing for the same "landing sites" on cells which the more dangerous virus is also trying to take over.

This technique has been used with some apparent success in both herpes and hepatitis infections. (Note: in hepatitis, they use an attenuated variant of Bursal Disease Virus, a double-stranded RNA virus which is a member of the Birnaviridae family.) But this technique has also been used in cancer. Like many scientists, Dr. Csatary believes that viruses are instrumental in either causing or promoting a variety of human cancers. He uses "co-infection" with a harmless virus to knock out more virulent cancer-related viruses. For this, he deserves both credit and support from those in established institutions.

Mainly, however, he has received indifference.

Ralph W. Moss, Ph.D. is director of the The Moss Reports for cancer patients. Dr. Moss is the author of eleven books and three documentaries on cancer-related topics. He is or has been an advisor on alternative cancer treatments to the National Institutes of Health, the National Cancer Institute, the American Urological Association, Columbia University, the University of Texas, the Susan G. Komen Foundation and the German Society of Oncology. He wrote the first article on alternative medicine for the Encyclopedia Britannica yearbook. He is listed in Marquis Who's Who in America, Who's Who in the World, Who's Who in the East, and Who's Who in Entertainment (as a film documentarian). This Web site does not advocate any particular treatment for cancer. We urge you to always seek competent medical advice for all health problems, especially cancer. Before consulting our site please read our full Disclaimer statement.

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