Flo is a 54-year old government-owned chimpanzee who has spent most of her life in a laboratory enduring painful and traumatic experiments. Hundreds of chimpanzees just like her languish in the United States. But, thanks to modern research techniques and the support of the public, the tide is beginning to turn in favor of these sensitive and intelligent animals.
View This Amazing Video
Watch as a group of elderly chimpanzees see their first unobstructed view of the sky after decades in a laboratory.
News & Events
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April 16, 2013
Haven Can't Wait
Chimp Haven sanctuary prepares to welcome chimpanzees permanently retired from research laboratories
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April 16, 2013
Haven Can't Wait: A Timeline of Progress for Chimpanzees
The last two decades have seen increased speed on the road to sanctuary for chimpanzees.
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April 10, 2013
President Obama, NIH Applauded for Addressing Needs of Chimpanzees Retired from Research
President Obama’s proposed FY2014 budget wisely includes a cost saving plan to increase sanctuary capacity for government-owned chimpanzees no longer needed for invasive research.
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January 23, 2013
Wayne's Blog: NIH Panel Says Lab Chimps Should Go to Sanctuaries
HSUS President and CEO Wayne Pacelle discusses the recommendations of a National Institutes of Health Working Group tasked with examining the NIH’s future role in chimpanzee research
Our Victories
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January 22, 2013
Expert Advisory Panel Confirms Chimpanzee Retirement from Laboratories to Sanctuary is the Way Forward
The HSUS commends the expert recommendations proposed to the National Institutes of Health by its independent advisory body, the Council of Councils, regarding chimpanzee research and retirement.
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January 9, 2013
Gilead Sciences, Inc. Praised for Commitment on Chimpanzee Research
The Humane Society of the United States applauds Gilead Sciences, Inc., a biopharmaceutical company headquartered in Foster City, Calif., for agreeing to not use chimpanzees for research and development.
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December 27, 2012
Wayne's Blog: Our Biggest Animal Stories of 2012
HSUS President and CEO Wayne Pacelle reveals The HSUS' list of top animal stories covered by the news media in 2012.
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December 20, 2012
HSI/Canada Celebrates Canadian Transportation Agency Decision Confirming Air Canada’s Right to Refuse Shipments of Primates for Research
Humane Society International/Canada, Animal Alliance of Canada and Justice for Animals welcome a ruling by the Canadian Transportation Agency, confirming the right of Air Canada to refuse the live shipment of primates destined for laboratories, where they would be for toxicity testing, research or other harmful laboratory experiments.






