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The sick primate was looked after by the primatologist's team.
A very sick chimpanzee was found and cared for by eminent British ethologist and anthropologist Dr Jane Goodall's team in the Republic of Congo.
The poor primate was in such bad shape that she was named Wounda, which means 'close to death'.
Thanks to the effort of the Jane Goodall Institute's Tchimpounga Chimpanzee Rehabilitation Center staff, Wounda's health improved and she was eventually moved to Tchindzoulou Island, one of three islands that are part of Goodall's founded sanctuary.
The chimpanzee was clearly very grateful to her saviours and before being released gave Dr Jane Goodall a hug.
Watch the amazing video above.