ith diseases, and their blood was drawn and tested for research that helped lead to a hepatitis B vaccine and safer blood transfusions for humans. The New York Blood Center, a nonprofit that ran the lab, ended its research in Liberia in 2005 and retired the chimps to a collection of uninhabited mangrove islands in a ri

ith diseases, and their blood was drawn and tested for research that helped lead to a hepatitis B vaccine and safer blood transfusions for humans. The New York Blood Center, a nonprofit that ran the lab, ended its research in Liberia in 2005 and retired the chimps to a collection of uninhabited mangrove islands in a ri

ith diseases, and their blood was drawn and tested for research that helped lead to a hepatitis B vaccine and safer blood transfusions for humans. The New York Blood Center, a nonprofit that ran the lab, ended its research in Liberia in 2005 and retired the chimps to a collection of uninhabited mangrove islands in a ri

ith diseases, and their blood was drawn and tested for research that helped lead to a hepatitis B vaccine and safer blood transfusions for humans. The New York Blood Center, a nonprofit that ran the lab, ended its research in Liberia in 2005 and retired the chimps to a collection of uninhabited mangrove islands in a ri

ith diseases, and their blood was drawn and tested for research that helped lead to a hepatitis B vaccine and safer blood transfusions for humans. The New York Blood Center, a nonprofit that ran the lab, ended its research in Liberia in 2005 and retired the chimps to a collection of uninhabited mangrove islands in a ri

ith diseases, and their blood was drawn and tested for research that helped lead to a hepatitis B vaccine and safer blood transfusions for humans. The New York Blood Center, a nonprofit that ran the lab, ended its research in Liberia in 2005 and retired the chimps to a collection of uninhabited mangrove islands in a ri