A similar strategy has been under investigation for use as an AIDS vaccine.

Scientific and policy challenges to development of an AIDS vaccine.

There are serious profits waiting to be made from an AIDS vaccine that works.

Thus making an AIDS vaccine is a far more difficult effort than had been thought.

Is it possible there will never be an AIDS vaccine?

Research on an AIDS vaccine is more crucial than ever.

Many steps remain before such work results in an AIDS vaccine.

Scientists say an AIDS vaccine may be ready within the next few years.

Then again, no AIDS vaccine is on the near horizon.

About 20 other AIDS vaccines are being tested around the world.