The causes for human immunodeficiency virus shifting to humans from other primates based on causation, survival, ontogeny, and evolution. Introduction: Human immunodeficiency viruses have entered into humans from other primates. In other primates, they are called simian immunodeficiency virus (SIV). The virus has entered into humans from chimpanzees when these chimpanzees were hunted by humans for their meat. During this hunting, the humans came in contact with infected chimpanzees and got infected. The virus has mutated itself from time to time and ensured its survival in the human body.

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To discuss: The causes for human immunodeficiency virus shifting to humans from other primates based on causation, survival, ontogeny, and evolution.

Introduction: Human immunodeficiency viruses have entered into humans from other primates. In other primates, they are called simian immunodeficiency virus (SIV). The virus has entered into humans from chimpanzees when these chimpanzees were hunted by humans for their meat. During this hunting, the humans came in contact with infected chimpanzees and got infected. The virus has mutated itself from time to time and ensured its survival in the human body.

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