The project now focuses on the signing of its four sign language using chimpanzees who live together as a social group: Washoe, Tatu, Dar and Loulis.

To husband the scarce animals, a Federal committee headed by Dr. Galasso must now approve any proposal to use chimpanzees in Government-financed research.

Dr. Schwartz said the results of subsequent human tests increased researchers' confidence in using chimpanzees as a model for studying the human disease.

Following their model, he persuaded Joe Smadel to let him launch a new series of tests-expensive experiments, using monkeys and chimpanzees as test animals.

Furthermore no new grant applications using chimpanzees will be reviewed until further notice.

It was there that he used chimpanzees for medical research, including work on the discovery of the first Hepatitis B vaccine and the development of techniques to freeze blood for storage.

The primary recommendation is that the use of chimpanzees in research be guided by a set of principles and criteria, in effect to greatly limit government funded research using chimpanzees.

IT was not easy for scientists to decide to use chimpanzees for AIDS research back in the 1980's.

In 1956 PG Tips began using anthropomorphic chimpanzees in their TV advertisements.

The Southwest Foundation is among the leading facilities worldwide that conducts AIDS and hepatitis research using chimpanzees as study objects.