The primary causes of death from HIV/AIDS are opportunistic infections and cancer, both of which are frequently the result of the progressive failure of the immune system. Risk of cancer appears to increase once the CD4 count is below 500/Î¼L.
or hot line (hÅtâ²lÄ«nâ²) n. 1. A direct and immediate telephone linkup, especially between heads of government, as for use in a crisis. 2. A telephone line that gives quick and direct access to a source of information or help: a 24-hour hotline.
lifeline. 1  a line, fired across a ship or boat, by means of which a hawser for a breeches buoy may be hauled aboard. 2  a line or rope for saving life, as one attached to a lifeboat. 3  any of various lines running above the decks, spars, etc., of a ship or boat to give sailors something to grasp when there is danger of falling or being washed away.