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.
guideline. 1  A non-specific rule or principle that provides direction to action or behaviour. He considered the Ten Commandments more a guideline than a requirement. 2  A plan or explanation to guide one in setting standards or determining a course of action. 3  A light line, used in lettering, to help align the text.