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.
The term landline is also sometimes used to refer to a dedicated line, which is a permanent connection between two locations. However, in recent years, the term is mostly used to differentiate fixed-line home phones from mobiles. There are two basic types of landlines.