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.
A typical non-dial red phone used for hotlines. A hotline is a point-to-point communications link in which a call is automatically directed to the preselected destination without any additional action by the user when the end instrument goes off-hook. An example would be a phone that automatically connects to emergency services on picking up the receiver.