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.
Once-Daily PREZCOBIX Â® is two medications in one pill and is taken in combination with other HIV medications for the treatment of HIV-1 infection in adults. It contains 800 mg of darunavir and 150 mg of cobicistat. PREZCOBIX Â® may help you reach an undetectable* viral load. PREZCOBIX Â® can help: