![]() ![]() ![]() In some ways it’s surprising that HIV’s chimp precursor hasn’t cropped up more often, said Fred Hutchinson Cancer Research Center virologist Dr. HIV likely arose from blood contact when humans handled bushmeat from SIV-infected apes. ![]() One: the unfortunate chimp first infected with that new virus, known as simian immunodeficiency virus cpz, or SIVcpz.įour: the number of times HIV jumped from chimp to human. Two: the number of HIV precursor strains that merged their genetic material inside a chimpanzee to create a much more virulent bug, deadly to chimps - and which ultimately spawned HIV. An estimated 34 million people around the world were living with HIV in 2011, according to a report from the United Nations.īut evolutionary biologists are concerned with smaller figures. When epidemiologists talk about HIV, the numbers are staggering. Viruses, Vaccines and Infectious Diseases.Institutional Partners & Collaborations.Vaccine and Infectious Disease Division.Attackers use their canines to bite and tear at the victim, so that any body parts that stick out, such as testes and ears, are often ripped off during an attack. “In the case of an adult victim, the attacking males take turns beating and jumping on the victim. “Such attacks can be severe and fatal,” she said. Sylvia Amsler, a lecturer in the Anthropology Program at the University of Arkansas at Little Rock, told Discovery News that male chimps in the wild commonly engage in war-like behavior to defend or acquire territory. A male chimpanzee grabbed Oberle and pulled him under one of the fences, which was electrified.Īside from that dangerous misstep, the fact that the attackers were male is not surprising to those who study chimpanzees. NEWS: Zoo Chimp Makes Elaborate Plots to Attack HumansĮugene Cussons, managing director of the sanctuary and host of the Animal Planet show "Escape to Chimp Eden ," said Oberle received training before the incident, but broke the rules when he went through two fences separating the primates from humans. ![]()
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