HIV (human immunodeficiency virus) causes AIDS (acquired immunodeficiency syndrome), a syndrome rather than a single disease because it can involve a wide range of symptoms, opportunistic infections, specific cancers, and complications. Over 1.1 million individuals in the United States and 34 million individuals globally are infected with HIV. Primary HIV/AIDS prevention involves reducing the transmission of HIV from infected (HIV-positive) to uninfected (HIV-negative) individuals. Secondary HIV/AIDS prevention is concerned with early detection of HIV and rapid access to effective interventions and treatments to reduce the severity of and rate of progression to AIDS and prevent further spread of the disease.

Health communication prevention efforts at the microlevel (individual or interpersonal prevention efforts) and macrolevel (e.g., involvement of government entities such as the U.S. Centers for Disease ...

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