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Biological hazards in health care settings arise from exposure to infectious agents such as bacteria, viruses, fungi, and parasites that can cause disease in health care workers and compromise patient safety. These hazards are commonly encountered through contact with blood, body fluids, respiratory secretions, contaminated instruments, and environmental surfaces. Health care workers are particularly at risk of bloodborne infections such as hepatitis B, hepatitis ________ ________ ___ ________ ________ ____ _______ ______ ___ ______.
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