The Occupational Safety and Health Administration (OSHA) provides guidelines primarily for Standard precautions and Bloodborne pathogen precautions.
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Standard precautions are designed to protect healthcare workers and patients by minimizing the risk of transmission of infectious agents, and include practices such as hand hygiene, use of personal protective equipment (PPE), and safe handling of sharps.
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Bloodborne pathogen precautions specifically address the risks associated with exposure to blood and other potentially infectious materials, such as using appropriate PPE and following protocols for handling contaminated materials.
Though OSHA’s guidelines can relate to elements of Contact precautions and Isolation precautions, they do not specifically create guidelines for those categories; these are more often outlined by other healthcare organizations and infection control standards.
In summary, the most direct responses from your options are Bloodborne pathogen precautions and Standard precautions.