The use of chimpanzees in biomedical research has ended in the US and is winding down globally. The welfare of retired laboratory chimpanzees presents significant ongoing challenges.
Former laboratory chimpanzees carry the physical and psychological toll of decades of research. Many were socially isolated, subjected to invasive procedures, and lack socialization skills. Transitioning them to sanctuary life requires careful, individualized behavioral rehabilitation. The commitment to lifetime sanctuary care for these animals represents both a welfare obligation and a positive model for research animal retirement.