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.
Hotspots are areas where WiFi radio signals can be picked up by your computer. At home, a wireless router (such as the one shown at right) does the job to make your entire home a hotspot. Away from home hotspots can be found in most airports, libraries, hotels and a growing number of cafes, as well as other places.