Story thread · 15 reports / 14 sources

Chimpanzees used for vaccine research get health checks as part of long-term care

abcnews.go.com · 9dShare

Chimpanzees once used in hepatitis B vaccine experiments are getting health checks at their new home in Liberia

First report: Why Do Male Chimpanzees Throw Rocks at the Same Trees for More Than a Decade? — nautil.us, 12d