Final answer:
HIV cannot be transferred through casual contact such as shaking hands. Protection involves safe sexual practices, not sharing needles, and proper safety protocols in healthcare settings.
Step-by-step explanation:
The Human Immunodeficiency Virus (HIV) can be transferred through several methods, but it is important to know which are factual and which are based on myths. HIV can be transmitted via blood-to-blood contact, sharing needles, and unprotected sexual intercourse. HIV is not transmitted through casual contact such as shaking hands. Therefore, the correct answer to the question which method HIV cannot be transferred by is c) casual contact like shaking hands.
Protecting oneself from HIV involves making informed choices such as using condoms during sexual intercourse, not sharing needles, and for healthcare workers, following strict protocols to avoid needle-stick injuries. Screening for HIV is also critical for people who may be at risk. Educating oneself about the myths and realities of HIV transmission is crucial to prevent the spread of HIV infection.