Retired Hepatitis B Research Chimps Receive Care in West Africa
Former chimpanzees used in hepatitis B vaccine research are now receiving medical care in West Africa. The animals, averaging 30 to 35 years of age, are undergoing assessments to determine the long-term impact of past experiments. While final conclusions are pending, caretakers report visible signs of past suffering, aiming to provide these primates with a dignified second chance at life.