Researchers are reporting their first big successes in getting the immune system to fight cancer, after 30 years of false starts.
The method is called a cancer vaccine, although it's used to
treat cancer rather than prevent it.
Doctors say one of those vaccines, which is made by Biovest
International Inc., can keep a common form of lymphoma from getting
worse for more than a year compared to standard treatments. It's
the fourth time in about a month doctors have had success with such
The results came Sunday at a cancer conference in Orlando.