Chimpanzees once used in hepatitis B vaccine experiments are getting health checks at their new home in Liberia. The West African chimpanzees receive care such as teeth cleanings and X-rays at the Second Chance Chimpanzee Refuge. American researchers used mor…
ABUJA, Nigeria (AP) A group of chimpanzees once used in laboratory hepatitis B vaccine experiments has received health checks at their new home in Liberia, in hopes of giving them a second chance at … [+3114 chars]