functional obsolescence. Impairment of the usefulness of a device or equipment due to a design defect, or due to its inability to be upgraded or modified to serve the user's current needs.efinition. Impairment of the usefulness of a device or equipment due to a design defect, or due to its inability to be upgraded or modified to serve the user's current needs. For example, a relatively new computer becomes functionally obsolete if it cannot run the latest program or peripheral the user wishes to use.
Current US DHHS guidelines (published April 8, 2015) state: 1  Antiretroviral therapy (ART) is recommended for all HIV-infected individuals to reduce the risk of disease progression. 2  ART also is recommended for HIV-infected individuals for the prevention of transmission of HIV.
1 HIV Treatment-HIV treatment involves taking medicines that slow the progression of the virus in your body. 2  HIV is a type of virus called a retrovirus, and the drugs used to treat it are called antiretrovirals (ARV). Support is available to help you find medical care, decide what HIV treatment options are best for you, and stay in care so that you can live a longer and healthier life. 2  HIV Treatment-HIV treatment involves taking medicines that slow the progression of the virus in your body.